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Table 4 Pooled mean pain intensity scores (95% CI) for included RCTs and observational cohort studies using random effects meta-analysis

From: The clinical course of low back pain: a meta-analysis comparing outcomes in randomised clinical trials (RCTs) and observational studies

 

Baseline

6 weeks

13 weeks

27 weeks

52 weeks

RCTs

     

Pain

48.1 (45.8, 50.5)

34.1 (31.0, 37.2)

27.8 (25.1, 30.6)

26.4 (24.3, 28.6)

28.9 (25.7, 32.0)

Arms, n

165

58

94

97

78

Sample size*

10655

3577

6109

6640

4499

Cohorts

     

Pain

47.3 (38.6, 56.0)

31.7 (18.5, 44.8)

30.7 (25.6, 35.8)

24.7 (12.9, 36.4)

26.7 (19.8, 33.6)

n

19

6

10

10

12

Sample size*

13096

6122

6848

5496

6284

  1. *The total number of participants included in trials or cohort studies providing data for the analysis.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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