Table 1.

Demographic and baseline variables of the study patients with COVID-19 pneumonia.

	CASE NO. 1	CASE NO. 2	CASE 3
Age, years	32	48	84
Sex	Male	Male	Female
Exposure history	Residing in epidemic area	No	Yes
Current smoker	NO	Yes	NO
Comorbidities
Hypertension	No	No	No
Diabetes	No	Yes	No
COPD	No	Yes	No
Cancer	No	No	No
CKD	No	No	No
Others	No	No	Osteoporosis
Clinical manifestations
Respiratory rate, breaths per min	35	20	22
Pulse rate, beats per min	85	88	80
Fever ≥37.3 °C	No	Yes	No
Cough	Yes	Yes	No
Sputum	Foamy	Foamy	No
Myalgia	No	No	No
Fatigue	Yes	No	No
Diarrhea	Watery	No	Yes
Nausea or vomiting	No	No	Yes
Disease severity status (general/severe/critical)	Severe	Severe	Severe
Time from illness onset to admission, days	8	9	4