Maragatha Kuchibhatla

Journal article Gerontologist · February 2006 Featured Work PURPOSE: This study identifies the relative importance of reasons for institutionalization endorsed by caregivers of patients with dementia; examines the relationship between caregivers' reasons for institutionalization and indicators of caregiver and pati ... Full text Link to item Cite

Modeling association in longitudinal binary outcomes: a brief review.

Journal article Aging Ment Health · May 2005 Featured Work In order to better understand aging, longitudinal studies are run in which participants are evaluated repeatedly and selected end-points (e.g., score on a cognitive screen, falls, occurrence/reoccurrence of a condition) are examined. The objective of the p ... Full text Link to item Cite

Prognostic value of anxiety and depression in patients with chronic heart failure.

Journal article Circulation · November 30, 2004 Featured Work BACKGROUND: Anxiety is often present with depression and may be one of its manifestations. Although the adverse effects of depression in patients with chronic heart failure (CHF) have been well studied, the relation between anxiety and CHF prognosis has no ... Full text Link to item Cite

The contribution of hip fracture to risk of subsequent fractures: data from two longitudinal studies.

Journal article Osteoporos Int · November 2003 Featured Work BACKGROUND: The contribution of hip fracture to the risk of subsequent fractures is unclear. METHODS: Data from the Baltimore Hip Studies and the Established Populations for Epidemiologic Studies of the Elderly (EPESE) were used. Baltimore subjects enrolle ... Full text Link to item Cite

Comparison of methods for analyzing longitudinal binary outcomes: cognitive status as an example.

Journal article Aging Ment Health · November 2003 Featured Work Longitudinal data generate correlated observations. Ignoring correlation can lead to incorrect estimation of standard errors, resulting in incorrect inferences of parameters. In the example used here, standard logistic regression, a population-averaged (PA ... Full text Link to item Cite

Alternative statistical approaches to identifying dementia in a community-dwelling sample.

Journal article Aging Ment Health · September 2003 Featured Work Little attention has been paid to examining the extent to which alternative statistical models may facilitate identification of persons with dementia. Using a sub-sample of the Duke Established Populations for Epidemiologic Studies of the Elderly, two anal ... Full text Link to item Cite

Assessing risk factors for mortality in elderly White and African American people: implications of alternative analyses.

Journal article Gerontologist · December 2002 Featured Work PURPOSE: The aim of this study was to ascertain whether the determinants of death differ as a function of type of analysis in a representative sample of older African American and White people with comparable mortality rates. DESIGN AND METHODS: Participan ... Full text Link to item Cite

Impact of inappropriate drug use on mortality and functional status in representative community dwelling elders.

Journal article Med Care · February 2002 Featured Work BACKGROUND: The predictive validity of Drug Utilization Review (DUR) and drugs-to-avoid criteria in elders is unknown. OBJECTIVES: To evaluate the relationship between use of inappropriate drugs as determined by these explicit criteria and mortality and de ... Full text Link to item Cite

Relationship of depression to increased risk of mortality and rehospitalization in patients with congestive heart failure.

Journal article Arch Intern Med · August 13, 2001 Featured Work BACKGROUND: Patients with congestive heart failure (CHF) may have a high prevalence of depression, which may increase the risk of adverse outcomes. OBJECTIVE: To determine the prevalence and relationship of depression to outcomes of patients hospitalized w ... Full text Link to item Cite

An application of generalizability theory to study a physical performance measure in Parkinson's disease.

Journal article Aging (Milano) · February 2000 Featured Work Clinicians and researchers frequently quantify impairments and functional ability to monitor patient's symptoms and progress. For some patients, such as those with Parkinson's disease (PD), symptoms can fluctuate from day to day, making reliable measuremen ... Full text Link to item Cite

Depressive symptoms and nine-year survival of 1,001 male veterans hospitalized with medical illness.

Journal article Am J Geriatr Psychiatry · 1999 Featured Work Authors examined effects of depressive symptoms on after-discharge survival of hospitalized medically ill male veterans. Psychosocial and physical health evaluations were performed on a consecutive sample of 1,001 patients ages 20-39 (16%) and 65-102 years ... Link to item Cite

Use of health services by medically ill depressed elderly patients after hospital discharge.

Journal article Am J Geriatr Psychiatry · 1999 Featured Work The authors evaluated a consecutive sample of 542 elderly hospital patients for depression; of these, 160 depressed and 171 nondepressed patients were followed up for a median of 47 weeks after discharge. A subset of 113 depressed patients had significant ... Link to item Cite

Exercise to improve spinal flexibility and function for people with Parkinson's disease: a randomized, controlled trial.

Journal article J Am Geriatr Soc · October 1998 Featured Work OBJECTIVES: The effectiveness of an exercise intervention for people in early and midstage Parkinson's disease (stages 2 and 3 of Hoehn and Yahr) in improving spinal flexibility and physical performance in a sample of community-dwelling older people is des ... Full text Link to item Cite