Table S1.
Baseline characteristics of recruited participants who did and did not complete valid post-PR testing
| Characteristics | Valid post PR data available (n=41), mean (SD) or frequency | No valid post PR data available (n=31), mean (SD) or frequency | P-value, test for between group differencea |
|---|---|---|---|
| Age, years | 70.5 (8.2) | 66.9 (12.2) | 0.17 |
| Male gender | 22 | 17 | 0.92 |
| Smoking status | |||
| Never smoked | 5 | 0 | 0.001 |
| Current smoker | 3 | 12 | |
| Exsmoker | 33 | 19 | |
| LTOT | |||
| Yes | 5 | 5 | 0.63 |
| No | 36 | 26 | |
| FEV1%pred | 51.8 (21.0) | 41.9 (16.7) n=29 | 0.04 |
| mMRC | |||
| 0 | 2 | 2 | 0.96 |
| 1 | 11 | 6 | |
| 2 | 13 | 10 | |
| 3 | 10 | 9 | |
| 4 | 4 | 3 | |
| Pre-PR 2MWD (test 1) | 125.4 (32.3) | 124.3 (25) | 0.89 |
| Pre-PR 6MWD | 327.7 (97.9) | 298.8 (99.4) | 0.22 |
Note:
a
Independent sample t-test (continuous data) or chi square test (categorical data).
Abbreviations: FEV1%pred, percentage predicted forced expiratory volume in 1 second; LTOT, long-term oxygen therapy; 2MWD, 2-minute walk distance; 6MWD, 6-minute walk distance; mMRC, modified Medical Research Council; PR, pulmonary rehabilitation.