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Medium firm mattresses reduced pain related disability more than firm mattresses in chronic, non-specific low back pain

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 Q What is the effect of different firmnesses of mattresses on the clinical course of chronic, non-specific, low back pain and disability?

Clinical impact ratings GP/FP/Primary care ★★★★★☆☆ IM/Ambulatory care ★★★★★★☆ Rheumatology ★★★★★★☆


Embedded ImageDesign:

randomised controlled trial.

Embedded ImageAllocation:


Embedded ImageBlinding:

{patients, clinicians, data collectors, outcome assessors, data analysts, and monitoring committee}.*

Embedded ImageFollow up period:

90 days.

Embedded ImageSetting:


Embedded ImagePatients:

313 adults who were ⩾18 years of age (73% women), had ⩾3 months of chronic low back pain, and had pain while lying in bed or on rising. Exclusion criteria: referred pain; habitual prostration; possible systemic disease, inflammatory disease, or cancer; diagnosis or suspicion of fibromyalgia; pregnancy; habitually sleeping in a different bed ⩾2 nights/week; use of anti-inflammatory medication with a 24 hour …

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  • * See glossary.

  • Information provided by author.

  • For correspondence: Dr F M Kovacs, Kovacs Foundation, Palma de Mallorca, Spain.

  • Sources of funding: Kovacs Foundation. Mattresses were provided by FLEX.

  • Abstract and commentary also appear in ACP Journal Club.