Table 1.

Main characteristics of patients at hospital admission

		Patient 1	Patient 2	Patient 3	Patient 4	Patient 5
Age at diagnosis, years		31	48	80	30	46
Sex		Male	Male	Male	Female	Female
Chronic medical illness or history of chronic medical illness		Gout	High blood pressure	Thyroid cancer	None	None
Exposure and setting		Wuhan (Hubei Province, China)	Wuhan (Hubei Province), Ningbo, and Shanghai (China)	Yichang (Hubei Province, China)	Wuhan (Hubei Province, China)	Yichang (Hubei Province, China)
Duration of illness, days		15	26	23	11	16
Diagnosis date		Jan 24, 2020	Jan 24, 2020	Jan 28, 2020	Jan 24, 2020	Jan 29, 2020
Symptoms		Fever, cough, conjunctivitis	Fever, cough	Fever, diarrhoea, shortness of breath	Cough	Cough
Tests results on hospital admission
	White blood cell count, 109 cells per L	5·8	4·0	8·0	3·3	3·1
	Neutrophil count, 109 cells per L	4·7	1·8	ND	ND	1·7
	Lymphocyte count, 109 cells per L	1·0	1·6	ND	1·2	1·3
	Haemoglobin, g/L	15·5	16·9	12·3	13·0	13·2
	Platelet count, 109 per L	148	182	134	195	184
	Prothrombin time, s	17	10	ND	20	20
	Albumin, g/L	37	ND	ND	37	40
	Creatinine kinase, UI/L	122	147	ND	88	66
	Alanine aminotransferase, UI/L	37	22	21	42	11
	Aspartate aminotransferase, U/L	32	32	66	46	29
	Total bilirubin, mmol/L	7	7	ND	9	10
	Sodium, mmol/L	140	139	136	142	139
	Potassium, mmol/L	4·3	3·7	3·2	4·5	4·0
	Urea, mmol/L	2·8	4·4	8·0	2·9	3·3
	Creatinine, μmol/L	44	68	92	38	66
	C-reactive protein, mg/L	7	ND	123	<5	<5
	Lactate, UI/L	ND	ND	ND	ND	ND
	Chest x-ray finding	Bilateral pneumonia	None	Bilateral pneumonia	None	None
Admission to intensive care unit		Yes	Yes	Yes	No	No

ND=not determined.