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Table 1 Demographic data

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

Demographic data Group (V), VCV (n = 26) Group (P), PCV (n = 26) t/2 p value
Age (years)
Range 21–50 20–50 1.457 0.124
Mean ± SD 31.82 ± 7.32 30.87 ± 7.10
Gender (number, %)
Male 8 (30.8%) 7 (26.9%) 0.894 0.497
Female 18 (69.2%) 19 (73.1%)
Duration of surgery (min)
Range 90–180 90–180 0.192 0.663
Mean ± SD 143.21 ± 26.20 138.91 ± 25.42
  1. This table shows no statistically significant difference between groups according to demographic data
  2. t independent sample t test, 2 chi-square test, PCV pressure-controlled ventilation, VCV volume-controlled ventilation
  3. p value > 0.05 NS; *p value < 0.05 S; **p value < 0.001 HS
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