Chronic pain and adherence
Chronic pain of non-malignant etiology is a significant problem. Chronic non-malignant pain is typically defined as pain that persists for 3 months or longer and that is non-life threatening [1, 2]. Among the most common chronic pain conditions are chronic back pain, migraine headaches, and tension headaches. Chronic pain is very common. In the United States, 17% of patients seen in primary care report chronic pain , and chronic pain accounts for almost 80% of all physician visits . A review of 15 epidemiologic studies found that the prevalence of chronic pain ranges from 2 to 40% in the adult population, with a median point prevalence of 15% . The personal and economic costs of chronic pain are substantial. A study of primary care patients found that 13% of headache patients and 18% of back pain patients were unable to maintain full-time work over a 3-year period due to pain . Chronic pain is often accompanied by substantial decreases in physical functioning, disruption of social and family roles, and psychological distress . © 2010 Springer Science+Business Media, LLC.
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