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Previous studies have empirically defined clinical subgroups of chronic low back pain (CLBP) patients, based on differing patterns of pain, disability and emotional distress. Because these identified groups generally are comparable in terms of physical and demographic variables, variation in functional status cannot be adequately explained by medical or(More)
Efforts to examine the process and risk of developing chronic back pain have relied generally upon retrospective study of individuals with already established pain. In an alternative approach to understanding the clinical course and evolution of low back disorders, a cohort of 76 men experiencing their first episode of back pain was assessed prospectively(More)
Individuals with persisting pain often present a constellation of symptoms that includes pain, health-related impairment and dysphoric mood. It is now widely accepted that comprehensive assessment must address each of these dimensions. Despite recognition of the value of multidimensional assessment, no empirical efforts have validated the construct of a(More)
OBJECTIVE The present study provided comprehensive characterization of the long-term outcomes of intrathecal opioid administration via a drug administration system (DAS) in chronic pain patients with predominantly low back pain. A conceptual framework based on multidimensional outcomes is proposed using both disease-specific and generic measures. DESIGN(More)
OBJECTIVE There has been a growing trend in medicine to evaluate the impact of illness on functional abilities. Such studies typically rely on the patient's or caregiver's report. The goal of this study was to assess directly the functional capacity of psychiatric patients, especially older ones. METHOD The subjects were 55 outpatients with schizophrenia(More)
There is a growing recognition of the importance of quantifying the impact of illness on functional abilities. Measures of function frequently rely on a self-report. Few studies have directly assessed functional capacity in psychiatric patients, especially older ones who may be at an increased risk for disability. Subjects were 102 middle-aged and elderly(More)
Written self-disclosure (WSD) has rarely been evaluated as an intervention for paediatric diseases. To test the efficacy of WSD for youths aged 11-18 years with a diagnosis of functional recurrent abdominal pain (RAP), 63 were randomly assigned to receive standard medical care (SMC) alone or WSD in addition to SMC. WSD was administered in three 20-min(More)
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