Table 1.

Characteristics of the study population

		Controls (n = 39)	ME/CFS (n = 49)
Gender	Female	30	38
	Male	9	11
Age	Mean ± SD	45.5 ± 9.9	50.2 ± 12.6
	Median (range)	48 (20–61)	51 (19–71)
BMI	Mean ± SD	27.1 ± 6.1	25.5 ± 4.9
	Median (range)	26 (17–47)	24.5 (16–40)
Bell’s disability scale	10–20	NA	15
	30–40		21
	50–60		9
	>60		4