Table 4.

Outcome of Human Coronavirus Lower Respiratory Tract Disease With and Without Respiratory Copathogens

Outcome	Total (N = 33)	HCoV as Sole Respiratory Pathogen (n = 14)	HCoV Coinfected With Other Respiratory Pathogens (n = 19)	P Value
Outcome by day 28 after diagnosis
Mechanical ventilation requirement, No. (11)	7 (21)	2 (14)	5 (26)	.67
Oxygen-free days	17.0 (11.8)	19.0 (11.3)	15.6 (12.2)	.36
Ventilator-free days	22.1 (9.7)	24.4 (8.1)	20.4 (10.6)	.16
Days alive without hospitalization	11.7 (10.9)	13.4 (11.0)	10.4 (11.0)	.43
Outcome by day 90 after diagnosis
Any death, No. (11)	18 (55)	7 (50)	11 (58)	.65
Respiratory death, No. (11)	10 (30)	2 (14)	8 (42)	.13

Data are presented as mean (standard deviation) unless otherwise indicated.

Abbreviation: HCoV, human coronavirus.