Disability and rehabilitation
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To identify recovery patterns in patients with a first episode of acute low back pain (LBP) and to define risk factors for unfavorable outcome. ⋯ These results suggest that an initial and regularly repeated assessment of pain intensity and functional disability is important. Initial pain intensity does not seem to be a prognostic factor per se, as it did not negatively affect recovery provided that it decreased early in treatment. Implications for Rehabilitation Prediction of outcome is particularly important in patients with a first episode of acute LBP as one third did not completely recover. Pain intensity and functional disability should be initially assessed and regularly repeated in the first phase of treatment. High initial pain intensity and disability combined with small pain reduction during the first week might predict unfavorable outcome and require adequate treatment.