Spine
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Comparative Study
Responsiveness of pain, disability, and physical impairment outcomes in patients with low back pain.
Cohort study. ⋯ Physical impairments are routinely measured in clinical practice and clinical research, but the lower responsiveness indicates that this approach is not optimal. Our findings suggest that more emphasis should be placed on change in pain and disability scores than on change in physical impairments.
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Observational prospective study. ⋯ The psychometric properties (test-retest reliability, construct validity, and responsiveness) of the French version of the Fear Avoidance Belief Questionnaire are acceptable, and fear, avoidance, and belief can now be assessed in French-speaking patients with low back pain.
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Comparative Study
Patterns and trends in opioid use among individuals with back pain in the United States.
Secondary analysis of Medical Expenditure Panel Survey from 1996 to 1999. ⋯ The variation in overall opioid use among individuals with back pain with different sociodemographic characteristics and from different geographic regions suggested an opportunity to improve opioid prescribing patterns. The increase in the use of hydrocodone and oxycodone indicated a need to better assess the efficacy and safety associated with these drugs among individuals with back pain.
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Clinical and radiologic findings of patients with lumbar spinal stenosis and lumbar disc herniation presenting with neuropathic bladder were prospectively analyzed. ⋯ The prevalence of neuropathic bladder is more significantly associated with dural sac anteroposterior diameter than with the cross-sectional area of dural sac. Therefore, dural sac anteroposterior diameter might be an important factor predicting the existence of neuropathic bladder.
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A single group design to examine reliability and validity of the Back Performance Scale. ⋯ The Back Performance Scale appears to be a reliable and valid outcome measure of activity limitation.