Table 1.

Patient and control group characteristics.

	HC (n = 14)	PCS (n = 17)	PCS/CFS (n = 13)
Age, Mean (Range)	45 (31–58)	42 (27–66)	43 (24–59)
Sex (f/m)	(12/2)	(16/1)	(11/2)
Months Since COVID-19 Infection, Mean (Range)	n/a	8.3 (4.3–11.6)	9.4 (8.2–11.1)
Bell Disability Scale, Mean (Range)	n/a	48.24 (10–80)	45.38 (20–80)
Chalder Fatigue Scale, Mean (Range)	n/a	24.76 (15–32)	26 (20–33)
PEM Score, Mean (Range)	n/a	25.88 (17–46)	30.92 (16–44)

HC, healthy controls. PCS, post-COVID-19 syndrome. PCS/CFS, post-COVID-19 syndrome with ME/CFS. PEM, post-exertional malaise.