| Mean | 95% agreement limits | Percentiles | |||||||
| 5th | 10th | 25th | 50th | 75th | 90th | 95th | |||
| FEV6 repeatability (ml) | |||||||||
| Men | 68.5 | −126.0 to 262.0 | 3 | 6 | 18 | 40 | 80 | 146 | 205 |
| Women | 55.8 | −79.4 to 191.0 | 3 | 6 | 15 | 35 | 71 | 118 | 159 |
| FVC repeatability (ml) | |||||||||
| Men | 96.2 | −254.6 to 447.0 | 3 | 9 | 24 | 60 | 125 | 200 | 271 |
| Women | 69.4 | −315.7 to 454.5 | 3 | 6 | 19 | 42 | 80 | 139 | 182 |
FEV6, volume forcefully exhaled at exactly 6 s after back-extrapolated time 0; FVC, forced vital capacity.
Mean (SD) FEV6: 3016 (777) ml for men, 2341 (560) ml for women.
Mean (SD) FVC: 3187 (611) ml for men, 2323 (812) ml for women.