Measurement error and repeatability of lung diffusing capacity and its components for 31 subjects
| Variable | Measurement error# | Repeatability¶ |
| DL,NO mL·min−1·mmHg−1 | 6.2 | 17.2 |
| Dm,CO mL·min−1·mmHg−1+ | 2.6 | 7.1 |
| Dm,CO mL·min−1·mmHg−1§ | 3.2 | 8.7 |
| DL,CO mL·min−1·mmHg−1 | 1.2 | 3.2 |
| Vc mL+ | 4.7 | 13.0 |
| Vc mL§ | 3.5 | 9.7 |
DL,NO: diffusing capacity of the lung for nitric oxide; Dm,CO: membrane diffusing capacity for carbon monoxide; DL,CO: diffusing lung capacity for carbon monoxide. #: within-subject standard deviation for each variable was calculated as the square root of the mean squares error from the ANOVA summary table 30; ¶: calculated as 2.77×within-subject standard deviation 30; +: when Dm,CO = DL,NO/2.42; §: when Dm,CO = DL,NO/1.97. Each variable was reported to the nearest tenth decimal place.