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Table 5 Comparison between the two studied groups according to the mean airway pressure

From: Effect of inverse ratio ventilation on hemodynamics and respiratory mechanics in obese patients undergoing laparoscopic sleeve gastrectomy

Mean airway pressure

Mean airway pressure (cmH2O)

VCV group (N=26)

IRV group (N=26)

T

P-value

Pmean T1 (after intubation)

6.73 ± 0.827

9.38 ± 1.06

10.056

0.0001*

Pmean T2 (before pneumoperitoneum)

6.69 ± 0.47

8.85 ± 0.732

12.623

0.0001*

Pmean T3 (after pneumoperitoneum)

10.04 ± 0.72

13.77 ± 0.765

18.113

0.0001*

Pmean T4

9.35 ± 0.75

12.46 ± 0.95

13.18

0.0001*

Pmean T5

9.15 ± 0.54

12.27 ± 0.78

16.75

0.0001*

Pmean T6

9.12 ± 0.65

12.46 ± 0.65

18.57

0.0001*