Inspired gas | FGF | Inspired fraction before disconnection of reservoir bag (%) | Inspired fraction during disconnection of reservoir bag (%) | Inspired fraction during reconnection of reservoir bag (%) | p* |
---|---|---|---|---|---|
Oxygen | 0.5 | 26.00 [24.00–27.00] Min = 22.00 Max = 29.00 | 21.00 [20.00–21.50] Min = 19.00 Max = 22.00 | 23.00 [20.00–24.00] Min = 18.00 Max = 24.00 | < 0.001 |
1.0 | 39.00 [38.00–39.00] Min = 38.00 Max = 40.00 | 32.00 [31.00–32.00] Min = 32.00 Max = 36.00 | 37.50 [36.00–39.00] Min = 33.00 Max = 40.00 | < 0.001 | |
2.0 | 50.00 [49.00–50.00] Min = 49.00 Max = 51.00 | 42.00 [41.00–43.00] Min = 41.00 Max = 49.00 | 49.00 [48.00–49.25] Min = 43.00 Max = 51.00 | < 0.001 | |
Sevoflurane | 0.5 | 1.20 [1.20–1.20] Min = 1.20 Max = 1.30 | 0.80 [0.70–0.90] Min = 0.70 Max = 1.10 | 1.00 [0.90–1.10] Min = 0.70 Max = 1.10 | < 0.001 |
1.0 | 1.90 [1.70–1.90] Min = 1.70 Max = 1.90 | 1.30 [1.30–1.40] Min = 1.20 Max = 1.80 | 1.70 [1.60–1.80] Min = 1.30 Max = 1.90 | < 0.001 | |
2.0 | 2.60 [2.60–2.70] Min = 2.60 Max = 2.70 | 2.20 [2.10–2.30] Min = 2.10 Max = 2.60 | 2.60 [2.47–2.60] Min = 2.10 Max = 2.80 | < 0.001 | |
Nitrous oxide | 0.5 | 71.00 [69.00–72.25] Min = 67.00 Max = 75.00 | 38.00 [36.00–43.25] Min = 35.00 Max = 65.00 | 65.50 [55.75–72.00] Min = 37.00 Max = 76.00 | < 0.001 |
1.0 | 57.00 [57.00–58.00] Min = 57.00 Max = 59.00 | 33.50 [33.00–36.25] Min = 32.00 Max = 47.00 | 53.00 [48.00–55.00] Min = 38.00 Max = 57.00 | < 0.001 | |
2.0 | 46.00 [46.00–46.00] Min = 45.00 Max = 47.00 | 33.00 [32.00–34.00] Min = 32.00 Max = 45.00 | 45.00 [43.00–45.00] Min = 35.00 Max = 46.00 | < 0.001 |