| Lung Function Test & Exercise Capacity Parameter | Mean | Standard deviation | Median | Range | p-value |
| FEV1 (% predicted) |
|
|
|
| 0.14 |
| Baseline | 54.4 | 24.0 | 51.0 | 22 - 91 | |
| Post-PRP | 51.6 | 21.9 | 51.5 | 22 - 91 | |
| FVC (% predicted) |
|
|
|
| 0.64 |
| Baseline | 63.2 | 19.7 | 60 | 28 - 95 | |
| Post-PRP | 62.5 | 18.4 | 62.5 | 27 - 90 | |
| FEV1/FVC (post-bronchodilator %) |
|
|
|
| 0.50 |
| Baseline | 69.0 | 15.2 | 68.5 | 42 - 88 |
|
| Post-PRP | 67.7 | 15.3 | 72.0 | 41 - 88 |
|
| Exercise Capacity by the 6 MWT 6 MWT (meters) |
|
|
|
| 0.0001* |
| Baseline | 355.5 | 94.9 | 358.5 | 147.6 - 482.5 |
|
| Post-PRP | 470.1 | 76.9 | 462.3 | 348.9 - 645.3 |
|