Skip to main content

View full-text article in PMC

. 2022 Feb 9;12:2157. doi: 10.1038/s41598-021-04764-w

Table 1.

Descriptive statistics for the study participants.

	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
Education^a (years)	21	637	14.51	1.11	21	536	15.1	1.16

ME/CFS myalgic encephalomyelitis/chronic fatigue syndrome, N number.

^aNumber of education years from age 6.