Table 1.

Patients’ demographic characteristics, symptoms, and radiographic signs upon admission by outcome.

Demographic characteristics, symptoms, and radiographic signs	Full sample (n = 1753)	Recovery (n = 1270)	Deterioration (n = 382)	Censored (n = 101)
Demographic characteristics
Agea (year)	48.7	48.4	50.0	48.5
	(11.3)	(11.2)	(11.5)	(11.3)
Age groups (years)
< 40	405	301	81	23
	(23.1%)	(23.7%)	(21.2%)	(22.8%)
40–45	187	144	30	13
	(10.7%)	(11.3%)	(7.9%)	(12.9%)
45–49	216	167	40	9
	(12.3%)	(13.2%)	(10.5%)	(8.9%)
50–54	278	195	64	19
	(15.9%)	(15.4%)	(16.8%)	(18.8%)
55–59	321	230	74	17
	(18.3%)	(18.1%)	(19.4%)	(16.8%)
≥ 60	346	233	93	20
	(19.7%)	(18.4%)	(24.4%)	(19.8%)
Sex
Male	758	527	186	45
	(43.2%)	(41.5%)	(48.7%)	(44.6%)
Respiratory symptoms
Coughb	809	564	201	44
	(46.2%)	(44.4%)	(52.6%)	(43.6%)
Stuffy or runny nose	81	58	20	3
	(4.6%)	(4.6%)	(5.2%)	(3.0%)
Sore throat	98	68	27	3
	(5.6%)	(5.4%)	(7.1%)	(3.0%)
Dyspnea	365	226	109	30
	(20.8%)	(17.8%)	(28.5%)	(30.0%)
Gastrointestinal symptoms
Nausea or vomiting	84	57	17	10
	(4.8%)	(4.5%)	(4.5%)	(9.9%)
Abdominal pain or diarrhea	150	104	38	8
	(8.6%)	(8.2%)	(10.0%)	(7.9%)
General symptoms
Fatigue	439	309	103	27
	(25.0%)	(24.3%)	(27.0%)	(26.7%)
Headache	82	66	12	4
	(4.7%)	(5.2%)	(3.1%)	(4.0%)
Myalgia	152	91	44	17
	(8.7%)	(7.2%)	(11.5%)	(16.8%)
Fever	568	377	123	68
	(32.4%)	(29.7%)	(32.2%)	(67.3%)
CT signs
Ground-glass opacity	1402	1020	322	60
	(80.0%)	(80.3%)	(84.3%)	(59.4%)
Infiltrating shadows	69	40	25	4
	(3.9%)	(3.2%)	(6.5%)	(4.0%)
Consolidation	22	15	7	0
	(1.3%)	(1.2%)	(1.8%)	(0)
Pleural effusion	11	8	3	0
	(0.6%)	(0.6%)	(0.8%)	(0)
Pulmonary interstitial changes	26	20	6	0
	(1.5%)	(1.6%)	(1.6%)	(0)

This table shows the demographic characteristics; respiratory, gastrointestinal, and general symptoms; and CT signs for all patients and for patients with deterioration, recovery, or right-censored outcome data.

^aValues in the parentheses represent standard deviation.

^bCough includes cough with and without sputum production.