• Kari Paanalahti, Maria M Wertli, Ulrike Held, Torbjörn Åkerstedt, Lena W Holm, Margareta Nordin, and Eva Skillgate.
• Institute of Environmental Medicine, Karolinska Institutet, Box 210, SE-17177, Stockholm, Sweden. kari.paanalahti@ki.se.
• Eur Spine J. 2016 Mar 1; 25 (3): 760-5.

PurposeThe estimated prevalence of poor sleep in patients with non-specific chronic low back pain is estimated to 64% in the adult population. The annual cost for musculoskeletal pain and reported poor sleep is estimated to be billions of dollars annually in the US. The aim of this cohort study with one-year follow-up was to explore the role of impaired sleep with daytime consequence on the prognosis of non-specific neck and/or back pain.MethodsSecondary analysis of a randomized controlled trial, including 409 patients.ResultsPatients with good sleep at baseline were more likely to experience a minimal clinically important difference in pain [OR 2.03 (95% CI 1.22-3.38)] and disability [OR 1.85 (95% CI 1.04-3.30)] compared to patients with impaired sleep at one-year follow-up.ConclusionPatients with non-specific neck and/or back pain and self-reported good sleep are more likely to experience a minimal clinically important difference in pain and disability compared to patients with impaired sleep with daytime consequence.

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