American Society of Anesthesiologists

Fig. 4. The pattern of Spo2decrease during apnea in the groups ventilated with 100, 80, and 60% oxygen during induction, respectively. Means ± SDs at the end of apnea (90% saturation) were 411 ± 84, 303 ± 59, and 213 ± 69 s in the 100, 80, and 60% groups, respectively.

Fig. 4. The pattern of Spo²decrease during apnea in the groups ventilated with 100, 80, and 60% oxygen during induction, respectively. Means ± SDs at the end of apnea (90% saturation) were 411 ± 84, 303 ± 59, and 213 ± 69 s in the 100, 80, and 60% groups, respectively.

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