Table 2.

Factors in association with long COVID in univariate analysis

Presenting characteristics	Long COVID (N = 26)	No chronic symptoms (N = 32)	P value
Sex (female:male)	15:11 (ratio: 1.36)	15:17 (ratio: 0.88)	0.441
Age (mean ± SD), y	13 ± 3	11 ± 3	0.025
Length of hospital stay (mean ± SD), d	8.6 ± 11.8	5.1 ± 5.1	0.138
Fever	15 (58%)	24 (75%)	0.260
Respiratory distress	10 (38%)	8 (25%)	0.393
Cough	9 (35%)	13 (41%)	0.787
Muscle pain	7 (27%)	2 (6%)	0.064
Diarrhea	1 (4%)	5 (16%)	0.193
ICU admission	8 (31%)	2 (6%)	0.032

df degree of freedom, SD standard deviation, ICU intensive care unit. Symptoms that were reported in more than five people were included in the analyses