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Table 3 Effect sizes of head-to-head comparisons of different types of aerobic exercise on selected outcome variables

From: Efficacy of different types of aerobic exercise in fibromyalgia syndrome: a systematic review and meta-analysis of randomised controlled trials

Outcome title post treatment

Number of studies

Number of patients

Effect sizea

Test for overall effect, Pvalue

Heterogeneity, I2; Ï„2 (%)

Moderate intensity versus low intensity

   01 Pain

2

68

-0.08 (-1.41, 1.26)

0.91

78; 0.96

   02 Depressed mood

2

68

-0.16 (-0.67, 0.13)

0.53

0; 0.

   03 Physical fitness

2

68

0.25 (-0.26, 0.75)

0.34

0; 0

Land-based versus water based exercise

   01 Pain

9

187

-0.13 (-0.80, 0.54)

0.08

0/0

   02 Depressed mood

8

151

-0.44 (-0.88, 0.01)

0.05

71/0.22

  1. aStandardised mean difference (95% confidence interval).