Table 1.

The baseline demographic and clinical data in different groups

	Overall (n = 106)	COVID-19 without pneumonia/Mild (n = 12)	COVID-19 with pneumonia(n = 94)	p –values	Moderate (n = 69)	Severe (n = 25)	p –values
Age, years	52.75 ± 16.09	43.92 ± 13.73	53.87 ± 16.08	0.043	51.41 ± 15.77	60.68 ± 15.23	0.005
Male sex, n(%)	53 (50.0)	4 (33.3)	49 (52.1)	0.220	34 (49.3)	15 (60.0)	0.309
Coexisting disorder
Any, n(%)	25 (23.6)	0 (0.0)	25 (26.6)	0.041	14 (20.3)	11 (44.0)	0.007
Hypertension, n(%)	17 (16.0)	0 (0.0)	17 (18.1)	0.108	9 (13.0)	8 (32.0)	0.028
Diabetes mellitus, n(%)	13 (12.3)	0 (0.0)	13 (13.8)	0.169	7 (10.1)	6 (24.0)	0.103
CHD, n (%)	2 (1.9)	0 (0.0)	2 (2.1)	1.000	1 (1.4)	1 (4.0)	0.578
COPD, n (%)	1 (0.9)	0 (0.0)	1 (1.1)	1.000	1 (1.4)	0 (0.0)	1.000
Symptoms
Fever, n (%)	56 (52.8)	3 (25.0)	53 (56.4)	0.040	37 (53.6)	16 (64.0)	0.082
Cough, n (%)	52 (49.1)	5 (41.7)	47 (50.0)	0.587	34 (49.3)	13 (52.0)	0.839
Sputum production, n (%)	14 (13.2)	1 (8.3)	13 (13.8)	0.596	7 (10.1)	6 (24.0)	0.179
Fatigue, n (%)	20 (18.9)	0 (0.0)	20 (21.3)	0.076	13 (18.8)	7 (28.0)	0.124
Dyspnea, n (%)	7 (6.6)	0 (0.0)	7 (7.4)	0.328	3 (4.3)	4 (16.0)	0.097
Vital signs
Temperature(°C)	36.50 (36.30–36.80)	36.50 (36.33–36.60)	36.50 (36.30–36.83)	0.270	36.50 (36.30–36.65)	36.90 (36.60–37.70)	0.001
Respiratory Rate	20.00 (20.00–20.00)	19.50 (19.00–20.00)	20.00 (20.00–20.25)	0.002	20.00 (20.00–20.00)	20.00 (20.00–22.00)	0.001
Heart Rate	89.89 ± 13.29	93.17 ± 14.48	89.47 ± 13.15	0.366	88.94 ± 13.94	90.92 ± 10.80	0.545
SpO2 (%)	98.00 (97.00–98.00)	98.00 (97.25–99.00)	98.00 (97.00–98.00)	0.174	98.00 (97.00–99.00)	96.00 (93.50–98.00)	< 0.001

Abbreviation: COVID-19 coronavirus disease 2019, CHD coronary artery heart disease, COPD chronic obstructive pulmonary disease, SpO₂ pulse oximeter oxygen saturation