Table 4 Clinical characteristics and perioperative data of ARDS patients with pre-operative normal oxygenation and pre-operative hypoxemia

Age (year, ‾x±s)

56.4 ± 13.0

53.3 ± 11.8

0.330

Male (n,%)

21 (63.6)

20 (66.7)

0.801

BMI (kg/m²,M [IQR])

26.0 (23.9–28.5)

27.1 (24.8–30.4)

0.271

Smoking (n, %)

13 (39.4)

13 (43.3)

0.751

Drinking (n, %)

10 (30.3)

8 (26.7)

0.750

Hypertension (n, %)

31 (93.9)

30 (100.0)

0.493

Diabetes (n, %)

3 (9.1)

2 (6.7)

1.00

CHD (n, %)

6 (18.2)

4 (13.3)

0.857

Stroke (n, %)

3 (9.1)

2 (6.7)

1.00

CKD (n, %)

0 (0.0)

3 (10.0)

0.204

Onset to operation time (h, M [IQR])

14.0 (9.0-24.5)

18.0 (11.8–38.5)

0.148

Shock (n, %)

2 (6.1)

3 (10.0)

0.912

WBC (10⁹/L, ‾x±s)

11.9 ± 3.8

13.9 ± 5.4

0.101

NLR (M [IQR])

0.12 (0.07–0.23)

0.10 (0.07–0.19)

0.901

PLT (10⁹/L, ‾x±s)

174.7 ± 56.7

183.6 ± 59.6

0.545

Hemoglobin (g/L,‾x±s)

132.2 ± 16.8

136.2 ± 20.5

0.397

PT (s, M [IQR])

12.8 (11.9–13.7)

12.1 (11.3–13.3)

0.173

Fibrinogen (g/L, M [IQR])

2.2 (1.9–2.6)

2.5 (1.8-3.0)

0.328

ALT (U/L, M [IQR])

27.0 (16.2–42.0)

29.5 (18.8–55.7)

0.389

Bilirubin(µmol/L,M [IQR])

15.7 (11.5–23.3)

16.4 (9.7–22.5)

0.929

Creatinine(µmol/L,M(IQR))

76.5 (62.8–90.0)

85.4 (66.1-118.3)

0.318

Operation time (min, M (IQR))

420.0 (349.0-541.5)

367.5 (338.3-490.5)

0.113

CBP time (min, M [IQR])

184.9 (162.9–251.0)

185.0 (156.1-235.3)

0.836

ACCT (min, M [IQR])

105.0 (81.5-124.9)

93.5 (76.4-114.8)

0.250

Central body temperatu(℃,M[IQR])

28.6(28.3–29.5)

29.1(28.6–29.6)

0.162

Perioperative blood loss (mL, M [IQR])

3621.0 (2393.0-7575.0)

2492.0 (2010.8–3732.0)

0.010

Perioperative transfusion (RBC, U, M [IQR])

10.0 (6.0-14.5)

7.0 (4.0-10.3)

0.113

Perioperative transfusion (plasma, mL, M [IQR])

1200.0(800.0-2450.0)

1030.0 (882.5-1607.5)

0.345

Perioperative fluid load(ml, ‾x±s)

210.0(-1637.0-1533.0)

-233.5(-1829.0-418.0)

0.425