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Table 3 SaO2 (%)

From: Comparative study between volume-controlled ventilation and pressure-controlled ventilation in prevention of postoperative pulmonary atelectasis in morbidly obese patients undergoing laparoscopic gastric sleeve surgery

SaO2 Group (V), VCV (n = 26) Group (P) PCV, (n = 26) t test p value
Preoperative 96.94 ± 1.45 97.35 ± 1.37 1.516 0.155
Intraoperative 96.32 ± 1.85 97.25 ± 1.37 2.384 0.027*
30 min after extubation 96.64 ± 1.45 97.18 ± 1.45 0.489 0.581
12 h after extubation 96.29 ± 2.71 96.89 ± 2.48 0.267 0.729
24 h after extubation 96.35 ± 2.29 97.21 ± 2.33 0.510 0.563
  1. This table shows statistically significant increase in intraoperative arterial oxygen saturation in group P compared to group V
  2. t independent sample t test, PCV pressure-controlled ventilation, VCV volume-controlled ventilation
  3. p value > 0.05 NS; *p value < 0.05 S
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