Overall

Mild

Severe

n = 51

n =30

n = 21

P value

Laboratory value, unit (normal value)

Median (Q1, Q3)

White blood cell, × 10⁹/L, (3.9-11.0)

5.31 (3.72, 6.12)

5.23 (3.68, 5.90)

5.31 (4.14, 7.88)

0.1735

Neutrophil, × 10⁹/L, (1.35-7.50)

3.02 (1.93, 4.02)

2.92 (1.99, 3.80)

3.54 (1.91, 4.71)

0.0637

Lymphocyte, × 10⁹/L, (1.50-4.30)

1.37 (1.07, 1.81)

1.43 (1.10, 1.98)

1.21 (0.97, 1.57)

0.021

Neutrophil/Lymphocyte ratio, (1.7 ± 0.7)

1.75 (1.19, 3.56)

1.61 (1.1, 2.64)

2.52 (1.37, 4.71)

0.0285

Platelet count, × 10⁹/L, (155-435)

200 (160, 251)

204 (172, 264)

183 (142, 251)

0.1498

Alanine aminotransferase, U/L, (10-45)

23 (13, 40)

20 (11, 33)

26 (22, 46)

0.0989

Aspartate aminotransferase, U/L (10-45)

25 (18, 38)

21 (17, 30)

34 (21, 50)

0.0657

Albumin, g/L, (28-46)

41 (39, 44)

42 (40, 45)

40 (38, 42)

0.0784

Bilirubin, mmol/L, (0.0-21.0)

6 (3.8, 9)

5 (3.3, 7.6)

7 (4.8, 10)

0.0767

Creatinine, μmol/L, (46-96)

67 (57, 86)

63 (56, 76)

79 (63.2, 107)

0.0168

Creatine kinase, U/L, (24-195)

85 (56, 129.5)

69 (47, 97.5)

107 (63, 177)

0.0466

Lactate dehydrogenase, U/L, (135-214)

220 (184, 276)

208 (178, 235)

266 (209, 422)

0.0127

Prothrombin Time, (12.3-14.2)

14.6 (13.7, 15.8)

14.3 (13.9, 15.4)

14.9 (13.5, 16)

0.5028

D-dimer, μg/mL, (0.0-0.50)

0.37 (0.28, 0.67)

0.32 (0.28, 0.54)

0.51 (0.32, 1.03)

0.0455

C-reactiveprotein, mg/L, (< 3.0)

5.9 (2.05, 30.9)

2.6 (0.9, 6.45)

28 (9, 106)

0.0002

Ferritin, μg/L, (13.0-150)

184 (50, 421)

107 (42, 354)

290 (162, 583)

0.0089

Radiology features, n (%)

Normal

23 (45)

23 (77)

0 (0)

< 0.00001

Focal

6 (12)

5 (14)

1 (5)

0.1936

Bilateral

22 (43)

2 (7)

20 (95)

< 0.00001