Table 3.

Comparison of characteristics of COVID‐19 subjects with mild and severe disease (n = 123)

	Mild (n = 34)	Severe (n = 89)	P
Age, years (mean ± SD)	38·3 ± 10·7	54·0 ± 11·5	< 0·001
Male gender	22 (64·7)	60 (67·4)	0·776
Body mass index, kg/m2 (mean ± SD)	26·8 ± 5·3	27·2 ± 3·7	0·601
Low income	18 (52·9)	75 (84·3)	< 0·001
BCG‐vaccinated	30 (88·2)	61 (68·5)	0·026
Current smoker	3 (8·8)	11 (12·4)	0·756
Diabetes	2 (5·9)	29 (32·6)	0·002
Hypertension	3 (8·8)	20 (22·5)	0·083
Coronary artery disease	1 (2·9)	3 (3·4)	n.a. †

Data are expressed as n (%), unless otherwise stated.

^†Statistical analysis could not be performed due to the small number of subjects.

BCG = bacillus Calmette–Guérin; SD = standard deviation.