Efficacy of enhanced preoxygenation protocols in mitigating hypoxemia during propofol sedation for gastrointestinal endoscopic procedures: a prospective, randomized, controlled study.

Med Gas Res · 2026 · PMC12318575 · PMID 40580184

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did not reach statistical significanceno p-value reported

Obesity (BMI ≥ 28 kg/m2): The intervention tended to reduce hypoxemia, with an OR of 0.20 (95% CI : 0.04–1.07) ( P = 0.06), although this result did not reach statistical significance.

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