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Ain-Shams Journal of Anesthesiology

Table 4 PaO2/FiO2 is significantly higher in the HFNO2 group

From: A comparative study between high-flow nasal oxygen therapy and venturi mask oxygen therapy for postoperative laparoscopic bariatric surgery patients with atelectasis: a randomized clinical trial

PaO2/FiO2

(Mean ± SD)

HFNO2 group

VMO2 group

p-value

At 2 h

298.66 ± 88.51

239.04 ± 52.73

< 0.001

At 4 h

289.64 ± 76.58

231.55 ± 48.88

< 0.001

At 8 h

292.16 ± 69.17

240.17 ± 43.63

0.063

At 12 h

334.55 ± 89.56

280.68 ± 40.23

0.331

At 24 h

356.58 ± 61.63

322.59 ± 21.39

0.047

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