Table 2 Factors associated with development of IAH when mean IAP is considered

 Male

51 (64.6)

28 (35.4)

0.351

2.2 (0.5–10.3)

0.334

 Female

25 (73.5)

9 (26.5)

Age in years

38.0 (13.3)

35.4 (11.6)

0.316

1.04 (0.98–1.10)

0.249

^aAmount of IV fluids over 24 h in ML

3949.6 (1431.5)

2931.1 (1121.8)

0.003

1.0 (1.0–1.002)

0.030

Number of pints of blood transfused over 24 h

1.5 (1.7)

0.5 (1.2)

0.003

1.04 (0.59–1.80)

0.904

Fluid balance over 24 h

1992.9 (1454.0)

1094.6 (927.6)

0.001

1.0 (1.0–1.002)

0.907

^bPeak airway pressure 24 h

28.4 (1.7)

17.3 (1.9)

0.008

1.6 (1.1–2.4)

0.018

Ventilation mode(%)

Bipap

1(20.0)

4(80.0)

0.039

1.23(0.8–1.69)

0.218

Cpap

15(93.8)

1(6.3)

0.015

1.1(1.0–1.22)

0.328

^cSIMV

60(65.2)

32(34.8)

0.034

1.4(0.78–2.04)

0.041

Base excess

−3.2 (7.2)

−1.0 (3.1)

0.085

1.10 (0.94–1.28)

0.230

WBC

12.2 (7.8)

11.1 (13.2)

0.606

1.01 (0.97–1.07)

0.505

^dHb

9.9 (3.2)

12.0 (1.9)

<0.001

0.60 (0.40–0.90)

0.012

Platelets

332.8 (128.0)

294.5 (90.3)

0.109

1.01 (1.00–1.02)

0.661