Table 3 Characteristics of ARDS patients with high and low HRCT scores

 mild, n (%)

32 (31%)

4 (11%)

0.043*

 moderate, n (%)

49 (47%)

19 (53%)

 severe, n (%)

23 (22%)

13 (36%)

 APACHE II score

23.3 ± 7.1

25.7 ± 7.0

0.083

 SOFA score

11.0 ± 3.4

10.8 ± 3.9

0.83

 LDH (IU/L)

355 ± 198

370 ± 191

0.69

 CRP (mg/dL)

12.3 ± 9.6

11.2 ± 8.8

0.95

 Lactate (mmol/L)

2.8 ± 2.3

2.4 ± 2.2

0.47

 PaO₂/FIO₂

168.2 ± 72.6

135.9 ± 64.2

0.019

 30-day mortality (%)

23 (22%)

15 (42%)

0.047

 Ventilator-free days

12.9 ± 10.7

8.4 ± 9.8

0.02

 ICU-free days

12.0 ± 8.7

8.5 ± 8.6

0.038