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Oxygen saturation measured by pulse oximetry at baseline and changes during endoscopy according to sedatives
| Midazolam (n = 42) | Propofol (n = 41) | P value | |
| SpO2 at baseline (%) | 99 ± 1 | 99 ± 1 | NS |
| Mean max decrease of SpO2 (%) | 6 ± 3 | 4 ± 2 | NS |
SpO2: Oxygen saturation measured by pulse oximetry; NS: Not significant.
