Table 1 Descriptive statistics for the study participants.

From: Systematic review and meta-analysis of cognitive impairment in myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)

 

ME/CFS

Healthy controls

N studies

N participants

Mean

SD

N studies

N participants

Mean

SD

Sample size

33

1086

33.62

23.2

33

968

29.33

19.44

Gender

Female

28

719

25.68

20.25

28

637

22.75

16.6

Male

28

216

7.45

6.87

28

188

6.71

5.61

Age (years)

33

1086

39.47

3.92

33

968

39.21

4.43

Educationa (years)

21

637

14.51

1.11

21

536

15.1

1.16

  1. ME/CFS myalgic encephalomyelitis/chronic fatigue syndrome, N number.
  2. aNumber of education years from age 6.
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