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Theresa Marie Coles

Assistant Professor in Population Health Sciences
Population Health Sciences
DUMC 104023, Durham, NC 27701
215 Morris Street, Suite 210, Durham, NC 27701

Selected Publications


How do patients interpret and respond to a novel patient-reported eastern cooperative oncology group performance status (ECOG)?

Journal Article Qual Life Res · September 2024 PURPOSE: Performance status is an important concept in oncology, but is typically clinician-reported. Efforts are underway to include patient-reported measures in cancer care, which may improve patient symptoms, quality of life and overall survival. The pu ... Full text Open Access Link to item Cite

Evaluating Factors Associated With Telehealth Appropriateness in Outpatient Rheumatoid Arthritis Encounters Using the Encounter Appropriateness Score for You (EASY).

Journal Article J Rheumatol · August 1, 2024 OBJECTIVE: Telehealth has been proposed as a safe and effective alternative to in-person care for rheumatoid arthritis (RA). The purpose of this study was to evaluate factors associated with telehealth appropriateness in outpatient RA encounters. METHODS: ... Full text Open Access Link to item Cite

Facets of physical function assessed by patient-reported outcome measures in oncology research.

Journal Article Qual Life Res · July 2024 PURPOSE: The U.S. Food & Drug Administration has identified physical functioning (PF) as a core patient-reported outcome (PRO) in cancer clinical trials. The purpose of this study was to identify PF PRO measures (PROMs) in adult cancer populations and clas ... Full text Open Access Link to item Cite

What facets of physical function are most important to adults diagnosed with cancer?

Journal Article Qual Life Res · July 2024 PURPOSE: Successful patient-focused drug development involves selecting and measuring outcomes in clinical trials that are important to patients. The U.S. Food & Drug Administration's definition of clinical benefit includes how patients feel, function, or ... Full text Link to item Cite

Mixed-Methods Study on the Responsiveness of the Comprehensive Score for Financial Toxicity Among People With Multiple Myeloma.

Journal Article JCO Oncol Pract · June 2024 PURPOSE: Financial toxicity is a contributor to the psychosocial burden of cancer care. There is no consensus measure of financial toxicity; however, recent studies have adopted the Comprehensive Score for Financial Toxicity (COST). Despite its growing pop ... Full text Link to item Cite

Association Between Frailty and Management and Outcomes of Acute Myocardial Infarction Complicated by Cardiogenic Shock.

Journal Article JACC Adv · June 2024 BACKGROUND: Cardiogenic shock (CS) in the setting of acute myocardial infarction (AMI) is associated with high morbidity and mortality. Frailty is a common comorbidity in patients with cardiovascular disease and is also associated with adverse outcomes. Th ... Full text Open Access Link to item Cite

Quality of Life in Adults with Chronic Cough: A Mixed Methods Study Informing the Development of a Quantitative Patient Preference Study.

Journal Article Patient · May 2024 OBJECTIVES: This study aimed to describe quality of life for patients with chronic cough (CC) and identify meaningful attributes that affect patient treatment preferences to inform the design of a quantitative preference study. METHODS: Eligible patients ( ... Full text Link to item Cite

Frailty and In-Hospital Outcomes for Management of Cardiogenic Shock without Acute Myocardial Infarction.

Journal Article J Clin Med · April 3, 2024 (1) Background: Cardiogenic shock (CS) is associated with high morbidity and mortality. Frailty and cardiovascular diseases are intertwined, commonly sharing risk factors and exhibiting bidirectional relationships. The relationship of frailty and non-acute ... Full text Open Access Link to item Cite

Evaluating Provider Perceptions of Telehealth Utility in Outpatient Rheumatology Telehealth Encounters.

Journal Article J Clin Rheumatol · March 1, 2024 OBJECTIVE: This study aims to explore the factors associated with rheumatology providers' perceptions of telehealth utility in real-world telehealth encounters. METHODS: From September 14, 2020 to January 31, 2021, 6 providers at an academic medical center ... Full text Link to item Cite

Facilitators and barriers to eliciting physical function goals before and after surgery: A qualitative study with clinicians.

Journal Article Patient Educ Couns · February 2024 OBJECTIVE: Describe clinicians' perspectives of facilitators and barriers to eliciting physical function goals from patients with multiple chronic conditions pre- and post-surgery. METHODS: Semi-structured qualitative interviews were conducted with clinici ... Full text Link to item Cite

Patient preferences for the treatment of chronic cough: a discrete choice experiment.

Journal Article BMJ Open Respir Res · January 19, 2024 BACKGROUND: Chronic cough is common, negatively affects quality of life and has limited treatment options. Inhibition of purinergic signalling is a promising therapeutic approach but is associated with taste-related adverse effects. Little is known about t ... Full text Link to item Cite

Patient adherence to patient-reported outcome measure (PROM) completion in clinical care: current understanding and future recommendations.

Journal Article Qual Life Res · January 2024 BACKGROUND: Patient-reported outcome measures (PROMs) are increasingly being used as an assessment and monitoring tool in clinical practice. However, patient adherence to PROMs completions are typically not well documented or explained in published studies ... Full text Link to item Cite

Development and psychometric evaluation of a physician global assessment for type 2 systemic lupus erythematosus symptoms.

Journal Article Lupus Sci Med · December 17, 2023 OBJECTIVE: Manifestations of SLE can be categorised as type 1 (classic signs and symptoms of SLE) or type 2 (fatigue, widespread pain and brain fog with an unclear relationship to inflammation). While measures of type 1 SLE activity exist, most current phy ... Full text Link to item Cite

Patient-Reported Outcome Measures in Patients with Thrombotic Thrombocytopenic Purpura: A Systematic Review of the Literature.

Journal Article J Clin Med · August 7, 2023 Health-related quality of life (HRQoL) impacts of thrombotic thrombocytopenic purpura (TTP) have been captured in clinical studies using patient-reported outcome (PRO) measures (PROMs) that are validated for other diseases. However, the validity evidence t ... Full text Link to item Cite

Investigating Potential Gender-Based Differential Item Functioning for Items in the Kansas City Cardiomyopathy Questionnaire (KCCQ) Physical Limitations Domain

Conference Applied Research in Quality of Life · August 1, 2023 Women with heart failure report worse health-related quality of life on average, than men. This may result from actual differences in care or differing interpretations of and responses to survey questions. We investigated potential gender-based differentia ... Full text Cite

Patient-Centered Outcomes Associated With a Novel Office-Based Opioid Treatment Program in a District Health Department: Mixed Methods Pilot Study.

Journal Article JMIR Form Res · May 24, 2023 BACKGROUND: Granville and Vance counties have some of the highest opioid-related death rates in North Carolina, and have significant unmet needs with regard to opioid treatment. Medication for opioid use disorder (MOUD) is the most effective evidence-based ... Full text Link to item Cite

How do patients interpret and respond to a novel patient-reported eastern cooperative oncology group performance status (ECOG)?

Journal Article Qual Life Res · September 2024 PURPOSE: Performance status is an important concept in oncology, but is typically clinician-reported. Efforts are underway to include patient-reported measures in cancer care, which may improve patient symptoms, quality of life and overall survival. The pu ... Full text Open Access Link to item Cite

Evaluating Factors Associated With Telehealth Appropriateness in Outpatient Rheumatoid Arthritis Encounters Using the Encounter Appropriateness Score for You (EASY).

Journal Article J Rheumatol · August 1, 2024 OBJECTIVE: Telehealth has been proposed as a safe and effective alternative to in-person care for rheumatoid arthritis (RA). The purpose of this study was to evaluate factors associated with telehealth appropriateness in outpatient RA encounters. METHODS: ... Full text Open Access Link to item Cite

Facets of physical function assessed by patient-reported outcome measures in oncology research.

Journal Article Qual Life Res · July 2024 PURPOSE: The U.S. Food & Drug Administration has identified physical functioning (PF) as a core patient-reported outcome (PRO) in cancer clinical trials. The purpose of this study was to identify PF PRO measures (PROMs) in adult cancer populations and clas ... Full text Open Access Link to item Cite

What facets of physical function are most important to adults diagnosed with cancer?

Journal Article Qual Life Res · July 2024 PURPOSE: Successful patient-focused drug development involves selecting and measuring outcomes in clinical trials that are important to patients. The U.S. Food & Drug Administration's definition of clinical benefit includes how patients feel, function, or ... Full text Link to item Cite

Mixed-Methods Study on the Responsiveness of the Comprehensive Score for Financial Toxicity Among People With Multiple Myeloma.

Journal Article JCO Oncol Pract · June 2024 PURPOSE: Financial toxicity is a contributor to the psychosocial burden of cancer care. There is no consensus measure of financial toxicity; however, recent studies have adopted the Comprehensive Score for Financial Toxicity (COST). Despite its growing pop ... Full text Link to item Cite

Association Between Frailty and Management and Outcomes of Acute Myocardial Infarction Complicated by Cardiogenic Shock.

Journal Article JACC Adv · June 2024 BACKGROUND: Cardiogenic shock (CS) in the setting of acute myocardial infarction (AMI) is associated with high morbidity and mortality. Frailty is a common comorbidity in patients with cardiovascular disease and is also associated with adverse outcomes. Th ... Full text Open Access Link to item Cite

Quality of Life in Adults with Chronic Cough: A Mixed Methods Study Informing the Development of a Quantitative Patient Preference Study.

Journal Article Patient · May 2024 OBJECTIVES: This study aimed to describe quality of life for patients with chronic cough (CC) and identify meaningful attributes that affect patient treatment preferences to inform the design of a quantitative preference study. METHODS: Eligible patients ( ... Full text Link to item Cite

Frailty and In-Hospital Outcomes for Management of Cardiogenic Shock without Acute Myocardial Infarction.

Journal Article J Clin Med · April 3, 2024 (1) Background: Cardiogenic shock (CS) is associated with high morbidity and mortality. Frailty and cardiovascular diseases are intertwined, commonly sharing risk factors and exhibiting bidirectional relationships. The relationship of frailty and non-acute ... Full text Open Access Link to item Cite

Evaluating Provider Perceptions of Telehealth Utility in Outpatient Rheumatology Telehealth Encounters.

Journal Article J Clin Rheumatol · March 1, 2024 OBJECTIVE: This study aims to explore the factors associated with rheumatology providers' perceptions of telehealth utility in real-world telehealth encounters. METHODS: From September 14, 2020 to January 31, 2021, 6 providers at an academic medical center ... Full text Link to item Cite

Facilitators and barriers to eliciting physical function goals before and after surgery: A qualitative study with clinicians.

Journal Article Patient Educ Couns · February 2024 OBJECTIVE: Describe clinicians' perspectives of facilitators and barriers to eliciting physical function goals from patients with multiple chronic conditions pre- and post-surgery. METHODS: Semi-structured qualitative interviews were conducted with clinici ... Full text Link to item Cite

Patient preferences for the treatment of chronic cough: a discrete choice experiment.

Journal Article BMJ Open Respir Res · January 19, 2024 BACKGROUND: Chronic cough is common, negatively affects quality of life and has limited treatment options. Inhibition of purinergic signalling is a promising therapeutic approach but is associated with taste-related adverse effects. Little is known about t ... Full text Link to item Cite

Patient adherence to patient-reported outcome measure (PROM) completion in clinical care: current understanding and future recommendations.

Journal Article Qual Life Res · January 2024 BACKGROUND: Patient-reported outcome measures (PROMs) are increasingly being used as an assessment and monitoring tool in clinical practice. However, patient adherence to PROMs completions are typically not well documented or explained in published studies ... Full text Link to item Cite

Development and psychometric evaluation of a physician global assessment for type 2 systemic lupus erythematosus symptoms.

Journal Article Lupus Sci Med · December 17, 2023 OBJECTIVE: Manifestations of SLE can be categorised as type 1 (classic signs and symptoms of SLE) or type 2 (fatigue, widespread pain and brain fog with an unclear relationship to inflammation). While measures of type 1 SLE activity exist, most current phy ... Full text Link to item Cite

Patient-Reported Outcome Measures in Patients with Thrombotic Thrombocytopenic Purpura: A Systematic Review of the Literature.

Journal Article J Clin Med · August 7, 2023 Health-related quality of life (HRQoL) impacts of thrombotic thrombocytopenic purpura (TTP) have been captured in clinical studies using patient-reported outcome (PRO) measures (PROMs) that are validated for other diseases. However, the validity evidence t ... Full text Link to item Cite

Investigating Potential Gender-Based Differential Item Functioning for Items in the Kansas City Cardiomyopathy Questionnaire (KCCQ) Physical Limitations Domain

Conference Applied Research in Quality of Life · August 1, 2023 Women with heart failure report worse health-related quality of life on average, than men. This may result from actual differences in care or differing interpretations of and responses to survey questions. We investigated potential gender-based differentia ... Full text Cite

Patient-Centered Outcomes Associated With a Novel Office-Based Opioid Treatment Program in a District Health Department: Mixed Methods Pilot Study.

Journal Article JMIR Form Res · May 24, 2023 BACKGROUND: Granville and Vance counties have some of the highest opioid-related death rates in North Carolina, and have significant unmet needs with regard to opioid treatment. Medication for opioid use disorder (MOUD) is the most effective evidence-based ... Full text Link to item Cite

Investigating gender-based differential item functioning on the Kansas City Cardiomyopathy Questionnaire (KCCQ) using qualitative content analysis.

Journal Article Qual Life Res · March 2023 PURPOSE: The purpose of this study is to evaluate potential gender-based differences in interpreting the Kansas City Cardiomyopathy Questionnaire (KCCQ-23) and to explore if there are aspects of health-related quality of life (HRQOL) not captured by the KC ... Full text Link to item Cite

Do PRO Measures Function the Same Way for all Individuals With Heart Failure?

Journal Article J Card Fail · February 2023 Women diagnosed with heart failure report worse quality of life than men on patient-reported outcome (PRO) measures. An inherent assumption of PRO measures in heart failure is that women and men interpret questions about quality of life the same way. If th ... Full text Link to item Cite

Development and Initial Validation of a Systemic Lupus Erythematosus-Specific Measure of the Extent of and Reasons for Medication Nonadherence.

Journal Article J Rheumatol · December 2022 Featured Publication OBJECTIVE: Medication nonadherence is common in patients with systemic lupus erythematosus (SLE) and negatively affects outcomes. To better recognize and address nonadherence in this population, there is a need for an easily implementable tool with interpr ... Full text Link to item Cite

Screening for Eustachian Tube Dysfunction in Clinical Practice Using the Eustachian Tube Dysfunction Questionnaire-7.

Journal Article Laryngoscope · November 2022 OBJECTIVES/HYPOTHESIS: To evaluate the ability of the Eustachian Tube Dysfunction Questionnaire-7 (ETDQ-7) to discriminate between patients with Eustachian tube dysfunction (ETD) and Non-ETD diagnoses, and identify symptom information to improve ability to ... Full text Link to item Cite

Telehealth Made EASY: Understanding Provider Perceptions of Telehealth Appropriateness in Outpatient Rheumatology Encounters.

Journal Article ACR Open Rheumatol · October 2022 OBJECTIVE: The purpose of this study was to evaluate a novel scoring system, the Encounter Appropriateness Score for You (EASY), to assess provider perceptions of telehealth appropriateness in rheumatology encounters. METHODS: The EASY scoring system promp ... Full text Open Access Link to item Cite

The use of patient-reported outcome measures to classify type 1 and 2 systemic lupus erythematosus activity.

Journal Article Lupus · May 2022 OBJECTIVE: We developed a model that categorizes systemic lupus erythematosus (SLE) activity into two dimensions: Type 1 SLE consists of inflammatory activity, including arthritis, nephritis, and rashes; Type 2 SLE includes fatigue, myalgia, mood disturban ... Full text Link to item Cite

Patient-Reported Outcomes Measurement in Radiation Oncology: Interpretation of Individual Scores and Change over Time in Clinical Practice.

Journal Article Curr Oncol · April 27, 2022 Tools for measuring patients' perceived health and quality of life, such as patient-reported outcome measures (PROMs), inform clinical decisions for patients requiring radiation therapy. However, there may be inconsistencies in how patients interpret and r ... Full text Link to item Cite

Prioritizing Support Offered to Caregivers by Examining the Status Quo and Opportunities for Enhancement When Using Web-Based Self-reported Health Questionnaires: Descriptive Qualitative Study.

Journal Article JMIR Form Res · April 8, 2022 BACKGROUND: The Rosalynn Carter Institute for Caregivers (RCI) offers evidence-based interventions to promote caregivers' health and well-being. Trained coaches regularly meet with caregivers to offer education and instructions to improve caregiver health, ... Full text Link to item Cite

Low-touch, team-based care for co-morbidity management in cancer patients: the ONE TEAM randomized controlled trial.

Journal Article BMC Fam Pract · November 18, 2021 BACKGROUND: As treatments for cancer have improved, more people are surviving cancer. However, compared to people without a history of cancer, cancer survivors are more likely to die of cardiovascular disease (CVD). Increased risk for CVD-related mortality ... Full text Link to item Cite

Psychometric Evaluation of the Kansas City Cardiomyopathy Questionnaire in Men and Women With Heart Failure.

Journal Article Circ Heart Fail · September 2021 BACKGROUND: The Kansas City Cardiomyopathy Questionnaire (KCCQ) has been psychometrically evaluated in multiple heart failure (HF) populations, but the comparability of its psychometric properties between men and women is unknown. METHODS: Data from 3 clin ... Full text Link to item Cite

Enabling patient-reported outcome measures in clinical trials, exemplified by cardiovascular trials.

Journal Article Health Qual Life Outcomes · June 13, 2021 OBJECTIVES: There has been limited success in achieving integration of patient-reported outcomes (PROs) in clinical trials. We describe how stakeholders envision a solution to this challenge. METHODS: Stakeholders from academia, industry, non-profits, insu ... Full text Link to item Cite

Utility of patient-reported outcomes measurement information system (PROMIS) physical function form in inflammatory myopathy.

Journal Article Semin Arthritis Rheum · June 2021 OBJECTIVE: Idiopathic inflammatory myopathies (IIM) are a group of diseases characterized by muscle weakness, which limit activities of daily living. Patient Reported Outcomes Measurement Information System (PROMIS) is a set of outcome measures developed u ... Full text Link to item Cite

Racial Differences in Medication Beliefs Among SLE Patients

Conference ARTHRITIS & RHEUMATOLOGY · 2021 Cite

The importance of development standards for anchoring vignettes: an illustrative example from pediatric localized scleroderma quality of life.

Journal Article Qual Life Res · December 2020 PURPOSE: Anchoring vignettes (AVs) are a promising measurement technique to reduce bias in patient-reported outcome (PRO) measures by helping researchers understand differences in how individuals and groups interpret response options. However, little atten ... Full text Link to item Cite

Development of a Comprehensive, Nonsurgical Joint Health Program for People With Osteoarthritis: A Case Report.

Journal Article Phys Ther · January 23, 2020 BACKGROUND AND PURPOSE: Existing osteoarthritis (OA) care models often fall short in addressing the many biological, psychological, social, and behavioral characteristics that contribute to disability. As US health care shifts towards value-based payment, ... Full text Link to item Cite

Measuring Health.

Journal Article Prim Care · December 2019 Primary care clinicians care for an extremely diverse range of patients, and they therefore have numerous opportunities to measure and act to improve the health of various populations. In order to take effective actions to improve the health of their patie ... Full text Link to item Cite

From obligation to opportunity: future of patient-reported outcome measures at the Veterans Health Administration.

Journal Article Transl Behav Med · November 25, 2019 Patient-reported outcome (PRO) measures are particularly important in mental health services because patients are the central and essential source of information about their mental health status. PRO measures have the potential to engage patients in meanin ... Full text Link to item Cite

Development, psychometric evaluation, and initial feasibility assessment of a symptom tracker for use by patients with heart failure (HFaST).

Journal Article J Patient Rep Outcomes · May 2, 2019 BACKGROUND: This study aimed to develop and provide a psychometric and feasibility pilot evaluation of the Heart Failure (HF) Symptom Tracker (HFaST), a new patient-reported tool designed to facilitate communication between patients and health care provide ... Full text Link to item Cite

GENDER VARIATION IN THE PREDICTIVE VALIDITY OF THE KANSAS CITY CARDIOMYOPATHY QUESTIONNAIRE

Conference Journal of the American College of Cardiology · March 2019 Full text Cite

Psychometric evaluation of the hypoparathyroidism symptom diary.

Journal Article Patient Relat Outcome Meas · 2019 PURPOSE: To conduct an initial psychometric evaluation of the reliability and validity of the Hypoparathyroidism Symptom Diary (HPT-SD). PATIENTS AND METHODS: Data were collected during a cross-sectional, observational study. Participants with self-reporte ... Full text Link to item Cite

Psychometric Evaluation of the Patient's Knee Implant Performance Questionnaire.

Journal Article Value Health · November 2018 OBJECTIVES: To evaluate the psychometric properties of Patient's Knee Implant Performance Questionnaire (PKIP), a new patient-reported measure of knee implant functional performance assessing patient experiences before and after primary total knee arthropl ... Full text Link to item Cite

Relationship between sleep and exercise as colorectal cancer survivors transition off treatment.

Journal Article Support Care Cancer · August 2018 PURPOSE: The primary objective of this study was to evaluate the relationship between exercise and sleep disturbance in a sample of individuals diagnosed with stage I, II, and III colorectal cancer (CRC) as patients transitioned off first-line treatment. W ... Full text Open Access Link to item Cite

Sleep quality in individuals diagnosed with colorectal cancer: Factors associated with sleep disturbance as patients transition off treatment.

Journal Article Psychooncology · March 2018 OBJECTIVE: To identify patient characteristics associated with sleep disturbance and worsening of sleep in individuals diagnosed with localized colorectal cancer and assess heterogeneity in these relationships. METHODS: Data were from the MY-Health study, ... Full text Link to item Cite

Adding bevacizumab to single agent chemotherapy for the treatment of platinum-resistant recurrent ovarian cancer: A cost effectiveness analysis of the AURELIA trial.

Journal Article Gynecol Oncol · May 2017 OBJECTIVE: AURELIA, a randomized phase III trial of adding bevacizumab (B) to single agent chemotherapy (CT) for the treatment of platinum-resistant recurrent ovarian cancer, demonstrated improved progression free survival (PFS) in the B+CT arm compared to ... Full text Link to item Cite

Psychometric validation of a patient-reported measure of physical functioning in sporadic inclusion body myositis.

Journal Article Muscle Nerve · October 2016 INTRODUCTION: To assess self-reported physical functioning in patients with sporadic inclusion body myositis (sIBM), the sIBM Physical Functioning Assessment (sIFA) was developed. This research establishes the validity, reliability, and responsiveness of t ... Full text Link to item Cite

Graphical displays of patient-reported outcomes (PRO) for use in clinical practice: What makes a pro picture worth a thousand words?

Journal Article Patient Educ Couns · April 2016 UNLABELLED: Patient-reported outcomes (PROs) report patients' assessments of the impact of a health condition and its treatment, and can promote patient-centered care. OBJECTIVES: To address the effectiveness of graphic display of PRO data in clinical prac ... Full text Link to item Cite

Assessing patients' and caregivers' perspectives on stability of factor VIII products for haemophilia A: a web-based study in the United States and Canada.

Journal Article Haemophilia · July 2014 Haemophilia A is a rare inherited bleeding disorder characterized by an inability of the blood to clot normally. Patients can experience spontaneous or trauma-induced joint and soft tissue bleeding and must keep coagulation factor VIII (FVIII) accessible a ... Full text Link to item Cite

Psychometric evaluation of the Sheehan Disability Scale in adult patients with attention-deficit/hyperactivity disorder.

Journal Article Neuropsychiatr Dis Treat · 2014 Inattention and impulsivity symptoms are common among adults with attention-deficit/hyperactivity disorder (ADHD), which can lead to difficulty concentrating, restlessness, difficulty completing tasks, disorganization, impatience, and impulsiveness. Many a ... Full text Link to item Cite

Elementary school-located influenza vaccine programs: key stakeholder experiences from initiation to continuation.

Journal Article J Sch Nurs · August 2012 This study examined the initiation and logistics, funding, perceived barriers and benefits, and disruption of school activities by school-located influenza vaccination (SLIV) programs conducted during the 2008-2009 influenza season. Seventy-two interviews ... Full text Link to item Cite

Sphygmomanometry-evoked allodynia in chronic pain patients with and without fibromyalgia.

Journal Article Nurs Res · 2012 BACKGROUND: Fibromyalgia is a chronic pain syndrome that affects about 2% of the U.S. general population, with greater prevalence among women (3.5%) than men (0.5%). Previous research results suggest that the experience of pain (allodynia) upon sphygmomano ... Full text Link to item Cite

Evaluating patient-reported outcome measurement comparability between paper and alternate versions, using the lung function questionnaire as an example.

Journal Article Value Health · 2011 OBJECTIVES: The goal of this study was to provide recommended steps to assess measurement comparability using a crossover study design and to demonstrate these steps using a short patient-reported outcome (PRO) instrument as an example. METHODS: The exampl ... Full text Link to item Cite

Validation of alternate modes of administration of the lung function questionnaire (LFQ) in subjects with smoking history.

Journal Article Int J Chron Obstruct Pulmon Dis · December 7, 2010 PURPOSE: The lung Function Questionnaire (LFQ) was developed and validated as a case-finding tool to identify patients at risk of airflow obstruction (AO) that should be evaluated further using spirometry. Our objective was to assess the usability and vali ... Full text Link to item Cite