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Table 2 Actual time in seconds with 95% CI and approximate upper CI limit time in minutes to achieve each FAS in group N2O (n = 102)

From: 1-1-8 one-step sevoflurane wash-in scheme for low-flow anesthesia: simple, rapid, and predictable induction

FAS (%)FIS (%)Time (sec)95%CI (sec)Approximated upper CI limit time (min)
12.245.8 ± 9.843.9–47.81
1.52.773.5 ± 14.570.7–76.41.5
23.2116.3 ± 20.4112.3–120.32
2.53.8161.9 ± 23.3157.3–166.43
34.4208.4 ± 30.6202.4–214.43.5
3.54.9258.5 ± 35.0251.7–265.44.5
  1. Data are presented as means ± SD or ranges
  2. FIS inspired concentration of sevoflurane, FAS alveolar concentration of sevoflurane, CI confidence interval