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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