Multidisciplinary biopsychosocial rehabilitation for chronic low back pain: Cochrane systematic review and meta-analysis.

BMJ · 2015 · PMC4353283 · PMID 25694111

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failed to reach statistical significanceno p-value reported

For long term pain (nine trials; n=872), we found low quality evidence of a sizeable effect that marginally failed to reach statistical significance (standardised mean difference 0.51, −0.01 to 1.04).

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