Table 1 Demographic and clinical characteristic of COVID-19 patients

Age, year

46.72 (13.78)

52.53 (13.30)

44.25 (13.3)

0.031

Male gender, No

26 (45.6%)

12 (70.6%)

14 (35.0%)

0.014

BMI, kg/m2

23.99 (3.55)

25.54 (3.43)

23.33 (3.42)

0.103

Pre-existing medical illness

21 (36.8%)

7 (41.2%)

14 (35%)

0.658

LOS, days

20.89 (7.22)

20 (16-24)

19 (15-24)

0.834

WBC, ×10^9/L

5.01 (1.50)

4.47 (1.35)

5.24 (1.52)

0.076

lymphocyte count, ×10^9/L

1.60 (0.55)

1.30 (0.35)

1.72 (0.58)

0.008*

CRP, mg/dL

9.69 (13.77)

22.65 (18.19)

4.18 (5.66)

<0.001*

LDH, U/L

175.47 (43.60)

201.94 (43.96)

164.22 (38.76)

0.002*

CK, U/L

91.95 (118.16)

133.18 (209.4)

74.42 (31.69)

0.235

Lactic acid, mmol/L

1.59 (0.61)

1.51 (0.65)

1.62 (0.59)

0.511

PaO₂ to FiO₂ ratio, mmHg

308.67 (94.40)

198.47 (97.04)

355.51 (37.23)

<0.001*

TSS on the worst chest CT scan

4.28 (4.26)

8.59 (4.15)

2.45 (2.73)

<0.001*

TSS on chest CT on the 14th day after discharge

1.75 (2.23)

3.94 (2.33)

0.83 (1.39)

<0.001*

glucocorticoids use

16 (28.1%)

11 (64.7%)

5 (12.5%)

<0.001*

Total methyprednisolone dosage, mg

213.75 (323.87)

289.09 (370.4)

48.0 (17.89)

0.019*