Median spirometry values acquired with the binder off vs. on. A reduction in vital capacity is seen with the binder on.
| Summary of spirometry values | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| FVC | FEV1 | FEV1/FVC | PEF | SVC | ||||||
| Off | On | Off | On | Off | On | Off | On | Off | On | |
| Median (litres) | 4.35 | 4.29 | 3.46 | 3.53 | 0.82 | 0.82 | 394.2 | 397.2 | 4.22 | 4.12 |
| Median (SR) | −0.54 | −0.65 | −0.92 | −1.30 | −0.62 | −0.46 | ||||
| Median (% Pred.) | 87.7 | 87.0 | ||||||||
| p value off vs on | 0.0062 | 0.0701 | 0.3603 | 0.2349 | 0.0008 | |||||