Table 7 Clinical outcomes of non-ARDS group and real ARDS group

Lactate(mmol/L,M [IQR])

3.1(2.2–4.8)

4.8(3.4–8.4)

< 0.001

OI(M [IQR])

140.0(106.0-301.0)

100.0(87.5–121.0)

< 0.001

AKI (n, %)

33.0(18.4)

13.0(39.4)

0.007

Liver insufficiency (n, %)

48.0(26.8)

12.0(36.4)

0.263

Cerebral infarction(n, %)

8.0(4.5)

6.0(18.2)

0.004

re-tracheal intubation

1.0(0.6)

2.0(6.1)

0.064

APACHE II (score, M [IQR])

14.0 (12.0–16.0)

18.0 (14.5–24.0)

< 0.001

Mechanical ventilation time (h, M [IQR])

41.0 (28.0-64.3)

117.0 (82.0-178.0)

< 0.001

ICU stay length (day, M [IQR])

4.0 (3.0–6.0)

8.0 (6.0–12.0)

< 0.001

Post-operative hospital stay length (day, M [IQR])

14.0 (11.0–19.0)

18.0 (15.0–23.0)

0.001

In-hospital mortality(n, %)

1 (0.6)

2 (6.1)

0.064

Mortality rate at 30 days after discharge (n, %)

4 (2.2)

4 (12.1)

0.025