Tidal breathing data
| Age band | Height (cm) | Weight (kg) | RR/min | Ti/TTot | IE50 | RC2Tot% |
| mean (SD) | mean (SD) | mean (SD) | mean (SD) | mean (SD) | mean (SD) | |
| 3-5 | 108.3(8.9) | 19.7(4.1) | 26.1(6. 9) | 0.73(0.07) | 1.83(0.30) | 40.4(9.4) |
| 6-9 | 120.4(33.3) | 28.1(4.7) | 26.2(4.3) | 0.45(0.3) | 1.29(0.17) | 42.3(13.1) |
| 10-13 | 148.2(7.6) | 42.8(12.0) | 19.0(3.2) | 0.44(0.3) | 1.32(0.2) | 44.4(15.1) |
| 14-17 | 167.6(10.4) | 61.4(14.0) | 18.8(6.0) | 0.42(0.06) | 1.55(0.7) | 50.5(17.1) |