Table 3.
Correlation Between HRCT Emphysema Score and Lung Function in 6 Minute Walk Test
| Emphysema Score Correlated to | NO. | R | P Value |
|---|---|---|---|
| FVC, L (pre-exercise) | 17 | -0.748 | 0.0006 |
| FVC, % predicted (pre-exercise) | 17 | -0.742 | 0.0006 |
| FVC, L (post-exercise) | 17 | -0.764 | 0.0004 |
| FVC, % predicted (post-exercise) | 17 | -0.755- | 0.0005 |
| FEV1, L (pre-exercise) | 17 | -0.615 | 0.0086 |
| FEV1, % predicted (pre-exercise) | 17 | -0.562 | 0.0190 |
| FEV1, L (post-exercise) | 17 | -0.674 | 0.0030 |
| FEV1, % predicted (post-exercise) | 17 | -0.614 | 0.0087 |
| Inspiratory capacity, L (pre-exercise) | 17 | -0.562 | 0.0189 |
| Inspiratory capacity, L (post-exercise) | 17 | -0.663 | 0.0038 |
| ERV/IC, % (pre-exercise) | 17 | 0.642 | 0.0054 |
| ERV/IC, % (post-exercise) | 17 | 0.503 | 0.0396 |
| O2 saturation, % (post-exercise) | 17 | -0.530 | 0.0287 |
| Borg scale, (post-exercise) | 17 | 0.609 | 0.0094 |
| BODE score | 17 | 0.285 | 0.2674 |
Abbreviations: FVC: Forced vital capacity; FEV1: Forced expiratory volume second 1; ERV: Expiratory reserve volume; IC: Inspiratory capacity; BODE score: Body mass index (B), Degree of airflow obstruction (O), Functional dyspnea (D), and Exercise capacity (E).