Table 1.

Baseline information of COVID-19 patients enrolled in this study

	All enrolled patients (n = 70)	Patients without pneumonia (n = 22)	Patients with pneumonia (n = 48)	P
Age, median (IQR)—years	45.00 (34.50–61.00)	34.50 (21.75–44.00)	51.00 (39.00–67.00)	< 0.001
Gender				0.314
Male	38 (54.3)	14 (63.6)	24 (50.0)
Female	32 (45.7)	8 (36.4)	24 (50.0)
BMI, median (IQR)	24.63 (22.33–26.50)	25.03 (21.40–27.46)	24.44 (22.34–26.34)	0.979
Exposure				0.002
No explicit contact	13 (18.6)	0	13 (27.1)
Wuhan-direct	33 (47.1)	16 (72.7)	17 (35.4)
Wuhan-indirect	24 (34.3)	6 (27.3)	18 (37.5)
Underlying diseases
Hypertension	17 (24.3)	1 (4.5)	16 (33.3)	0.009
Diabetes	7 (10.0)	2 (9.1)	5 (10.4)	1.000
Main symptoms
Fever	59 (84.3)	15 (68.2)	44 (91.7)	0.029
Cough	36 (51.4)	7 (31.8)	29 (60.4)	0.026
Sore throat	14 (20.0)	5 (22.7)	9 (18.8)	0.752
Sputum production	16 (22.9)	3 (13.6)	13 (27.1)	0.214
Diarrhea	5 (7.1)	0	5 (10.4)	0.173
Fatigue	20 (28.6)	4 (18.2)	16 (33.3)	0.193
Myalgia	13 (18.6)	4 (18.2)	9 (18.8)	1.000
Headache	8 (11.4)	4 (18.2)	4 (8.3)	0.249
Chest tightness	6 (8.6)	1 (4.5)	5 (10.4)	0.657
Dyspnoea	10 (14.3)	1 (4.5)	9 (18.8)	0.154
Dizziness	10 (14.3)	6 (27.3)	4 (8.3)	0.061
Fever duration, median (IQR), day	6.00 (2.25–8.75)	4.00 (2.00–6.00)	6.00 (3.00–10.00)	0.003
Systolic pressure, median (IQR), mmHg	125.00 (119.00–135.00)	125.00 (118.25–132.75)	125.00 (119.00–135.00)	0.191

Bold indicates the difference is statistically significant

Data are median (IQR), n (%), or n/N (%), where N is the total number of patients with available data. P values compare patients with and without pneumonia using χ² test, Fisher’s exact test, or student t test

COVID-19 coronavirus disease 2019, IQR interquartile range, BMI body mass index