Characteristics (n, %)

Total

(n = 130)

Mild/moderate (n = 110)

Severe

(n = 20)

P

Male

64 (49.2)

51 (46.4)

13 (65.0)

0.098

Age, MD ± SD, y

54.4 ± 13.1

52.9 ± 13.1

60.1 ± 12.1

0.028

Comorbidities

Hypertension

31 (23.8)

23 (20.9)

8 (40.0)

0.064

Diabetes

18 (13.8)

12 (10.9)

6 (30.0)

0.034

Coronary heart disease

11 (8.5)

7 (6.4)

4 (20.0)

0.066

Chronic liver disease

10 (7.7)

8 (7.3)

2 (10.0)

0.475

Chronic lung disease

6 (4.6)

4 (3.6)

2 (10.0)

0.230

Other

31 (23.8)

25 (22.7)

6 (30.0)

0.328

None

55 (42.3)

52 (47.3)

3 (15.0)

0.006

Symptoms

Fever

87 (66.9)

69 (62.7)

18 (90.0)

0.012

Cough

74 (56.9)

58 (52.7)

16 (80.0)

0.019

Fatigue

73 (56.2)

58 (52.7)

15 (75.0)

0.052

Chest tightness

54 (41.5)

42 (38.2)

12 (60.0)

0.058

Diarrhea

38 (29.2)

35 (31.8)

3 (15.0)

0.101

Anorexia

37 (28.5)

29 (26.4)

8 (40.0)

0.165

Pharyngalgia

16 (12.3)

16 (14.5)

0

0.070

Headache

14 (10.8)

14 (12.7)

0

0.092

Myalgia

8 (6.2)

6 (5.5)

2 (10.0)

0.356

Asymptomatic

10 (7.7)

9 (8.2)

1 (5.0)

0.086

Positive CT and RT-PCR

109 (83.8)

92 (83.6)

17 (85.0)

0.590

Positive CT only

14 (10.8)

11 (10.0)

3 (15.0)

0.368

RNA negative conversion, d

11.0 (6.0, 14.3)

11.0 (6.0, 14.0)

11.0 (2.8, 15.3)

0.672

Obvious improvement of CT, d

19.8 ± 8.8

19.3 ± 8.7

22.0 ± 8.9

0.219

Antiviral therapy

Oseltamivir

60 (46.2)

52 (47.3)

8 (40.0)

0.550

Ribavirin

24 (18.5)

18 (16.4)

6 (30.0)

0.150

Abidor

64 (49.2)

59 (53.6)

5 (25.0)

0.019

Lianhua Qingwen

73 (56.2)

67 (60.9)

6 (30.0)

0.011

Peginterferon alfa-1b

7 (5.4)

4 (3.6)

3 (15.0)

0.039

Azithromycin

29 (22.3)

20 (18.2)

9 (45.0)

0.008

Moxifloxacin

81 (62.3)

66 (60.0)

15 (75.0)

0.153

Other antibiotics

29 (22.3)

23 (20.9)

6 (30.0)

0.265

Chinese herbal decoction

48 (36.9)

31 (28.2)

17 (85.0)

0.000

Hospital stay, d

15.0 (10.3, 23.0)

12.5 (8.3, 18.8)

23.0 (16.0, 28.8)

0.000