Mild ARDS

Severe ARDS

HR (95% CI)

p values

HR (95% CI)

p values

Sex (female, male)

2.50 (0.60 - 10.34)

0.206

13.75 (1.45 - 130.24)

0.022

Age (≤65, >65), y

0.67 (0.17 - 2.67)

0.566

1.4 (0.32 - 6.11)

0.654

Diabetes

2.62 (0.21 - 32.08)

0.452

1.55 (0.09 - 27.36)

0.767

Hypertension

1.05 (0.26 - 4.26)

0.948

0.79 (0.17 - 3.63)

0.757

White blood cell count

5.33 (0.89 - 32.16)

0.068

5.71 (0.89 - 36.89)

0.067

Neutrophil count

5.71 (1.15 - 28.35)

0.033

55.00 (5.02 - 602.15)

0.001

Lymphocyte count

0.57 (0.05 - 7.00)

0.662

40.00 (4.83 - 331.00)

0.001

Red blood cell count

1.43 (0.36 - 5.66)

0.611

1.75 (0.40 - 7.66)

0.458

Haemoglobin

0.39 (0.08 - 1.91)

0.247

0.52 (0.10 - 2.63)

0.432

Platelet count

0.88 (0.16 - 4.71)

0.876

0.70 (0.11 - 4.59)

0.710

Prothrombin time, s

2.62 (0.21 - 32.08)

0.452

12.14 (1.19 - 123.62)

0.035

D-dimer

2.75 (0.63 - 11.97)

0.178

11.00 (1.16 - 103.94)

0.036

Fibrinogen

0.73 (0.18 - 2.91)

0.653

0.46 (0.10 - 2.01)

0.299

Total bilirubin

1.25 (0.21 - 7.35)

0.805

5.00 (0.93 - 26.79)

0.06

Albumin

1.27 (0.26 - 6.27)

0.767

17.5 (2.67 - 114.85)

0.003

Alanine aminotransferase

2.36 (0.58 - 9.58)

0.231

1.12 (0.25 - 4.97)

0.879

Aspartate aminotransferase

4.38 (0.88 - 21.71)

0.071

3.57 (0.66 - 19.34)

0.14

Creatine Kinase

1.82 (0.34 - 9.83)

0.487

1.67 (0.28 - 10.09)

0.578

Creatine Kinase-MB

1.25 (0.21 - 7.35)

0.805

3.57 (0.66 - 19.34)

0.14

Glutamyl transpeptidase

1.79 (0.45 - 7.20)

0.408

3.14 (0.68 - 14.50)

0.142

Blood urea nitrogen

2.28 (0.54 - 9.67)

0.265

28.60 (2.89 - 283.06)

0.004

Creatinine

2.00 (0.29 - 13.91)

0.484

2.67 (0.37 - 19.06)

0.328

Lactate dehydrogenase

4.00 (0.94 - 17.11)

0.062

6.00 (1.17 - 30.73)

0.032

High-sensitivity troponin

NA

NA

5.67 (0.51 - 62.66)

0.157

C-reactive protein

2.94 (0.45 - 20.00)

0.261

15.87 (2.40 - 111.11)

0.004