Table 1.

Study population demographics

	All (n = 90)	COVID-19+ (n = 15)	COVID-19− (n = 75)	p value
Demographics
Age (year)	50.4 ± 16.3	49.9 ± 13.7	50.5 ± 16.9	0.907
Male sex*	41 (45.6)	9 (60.0)	32 (42.7)	0.344
Clinical symptoms at ER admission
Fever*	24 (26.7)	5 (33.3)	19 (25.3)	0.749
Cough*	47 (52.2)	9 (60.0)	38 (50.7)	0.706
Dyspnea*	46 (51.1)	8 (53.3)	38 (50.7)	1.000
Chest pain*	25 (27.8)	1 (0.07)	24 (0.32)	0.092

Age data are means ± SD

*Data are numbers of patients, with percentages in parentheses