Table 1.

Frequencies of nominal study parameters during acute COVID-19 and at follow-up (FU, n = 31).

	Neurological symptoms		Fatigue		Sleep disturbance
	n (valid %)	Missing	n (valid %)	Missing	n (valid %)	Missing
Acute	15 (48.4)	0	30 (100)	1	17 (56.7)	1
FU	5 (17.2)	2	15 (51.7)	2	10 (34.5)	2

n, number of patients; missing, number of patients with missing value; valid %, percentage of patients with a valid value.