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Table 5 Effect sizes of hypnosis/guided imagery on selected outcome variables

From: Efficacy of hypnosis/guided imagery in fibromyalgia syndrome - a systematic review and meta-analysis of controlled trials

Outcome title Number of studies Number of patients Effect size (SMD [95% CI]) Test for overall effect p-value Heterogeneity I² [%]; Tau²
Final treat-ment      
01 Pain 6 178 -1.17 [-2.21, -0.13] 0.03 88; 1.45
02 Fatigue 1 12 Not calculated   
03 Sleep 2 66 Not calculated   
04 Depressed mood 1 12 Not calculated   
05 HRQOL 3 92 -0.90 [-2.55, 0.76] 0.29 91; 1.93
Follow up      
01 Pain 2 88 Not calculated *   
02 Fatigue 1 40 Not calculated   
03 Sleep 1 40 Not calculated   
04 Depressed mood 0 0    
05 HRQOL 1 48 Not calculated   
  1. Abbreviations: HRQOL: Health-related quality of life; SMD: Standardised mean difference; CI: Confidence interval
  2. * Standard deviation of one study not available