Table 1.

Demographics and baseline characteristics of patients with severe SARS-CoV-2 pneumonia

		Survivors (n=20)	Non-survivors (n=32)	All patients (n=52)
Age, years		51·9 (12·9)	64·6 (11·2)	59·7 (13·3)
Age range, years
	30–39	6 (30%)	0	6 (11·5%)
	40–49	3 (15%)	3 (9%)	6 (11·5%)
	50–59	4 (20%)	9 (28%)	13 (25%)
	60–69	6 (30%)	11 (34%)	17 (33%)
	70–79	1 (5%)	7 (22%)	8 (15%)
	≥80	0	2 (6%)	2 (4%)
Sex
	Female	6 (30%)	11 (34%)	17 (33%)
	Male	14 (70%)	21 (66%)	35 (67%)
Exposure
	Exposure to Huanan seafood market	9 (45%)	8 (25%)	17 (33%)
	Exposure to patients*	2 (10%)	8 (25%)	10 (19%)
Chronic medical illness		5 (25%)	16 (50%)	21 (40%)
	Chronic cardiac disease	2 (10%)	3 (9%)	5 (10%)
	Chronic pulmonary disease	2 (10%)	2 (6%)	4 (8%)
	Cerebrovascular disease	0	7 (22%)	7 (13·5%)
	Diabetes	2 (10%)	7 (22%)	9 (17%)
	Malignancy	1 (5%)	1 (3%)	2 (4%)
	Dementia	0	1 (3%)	1 (2%)
	Malnutrition	0	1 (3%)	1 (2%)
	Smoking	2 (10%)	0	2 (4%)

Data are n (%) or mean (SD), unless otherwise specified. SARS-CoV-2=severe acute respiratory syndrome coronavirus 2.

^*Patients who have confirmed SARS-CoV-2 infection or are highly suspected of being infected.