Regression equations for multiple breath washout indices from the core dataset (n=120)
| Adjusted R2 | Residual, standard, deviation | ||
| LCI | |||
| Men/women pooled | 0.0223* age + 5.275 | 0.36 | 0.330 |
| Scond (/litre) | |||
| Men/women pooled | 0.000358* age + 0.0187 | 0.10 | 0.0116 |
| Sacin (/litre) | |||
| Women | 0.00078* age + 0.0482 | 0.07 | 0.0291 |
| Men | 0.00118* age + 0.0472 | 0.16 | 0.0294 |
LCI, lung clearance index; Scond, Sacin, multiple breath washout index of conductive and acinar ventilation heterogeneity.