Table 3.
Characteristics of all participants assessed for community-based pulmonary rehabilitation programs.a
| All participants (n = 251) | Completed program (n = 166) | Did not complete program (n = 85) | |
|---|---|---|---|
| Male:Female | 130:121 | 91:75 | 39:46 |
| Age (years) | 72 ± 9 | 72 ± 8 | 71 ± 10 |
| BMI (kg/m2) | 27 ± 6 | 27 ± 6 | 27 ± 7 |
| Diagnosis (n, %) | |||
| COPD | 198 (79) | 130 (78) | 68 (80) |
| Bronchiectasis | 23 (9) | 15 (9) | 8 (9) |
| Asthma | 13 (5) | 8 (5) | 5 (6) |
| ILD | 12 (5) | 9 (6) | 3 (4) |
| Other | 5 (2) | 4 (2) | 1 (1) |
| FEV1 (L) | 1.38 ± 0.66 | 1.42 ± 0.62 | 1.29 ± 0.75 |
| FEV1%pred (%) | 54 ± 24 | 56 ± 24 | 51 ± 25 |
| FVC (L) | 2.60 ± 0.93 | 2.66 ± 0.90 | 2.48 ± 0.98 |
| FVC %pred (%) | 75 ± 19 | 76 ± 19 | 74 ± 19 |
| FEV1 / FVC | 0.54 ± 0.20 | 0.56 ± 0.19 | 0.51 ± 0.20 |
| DLCO %pred (%)b | 52 ± 19 | 51 ± 19 | 53 ± 18 |
| COPD only | |||
| FEV1 (L) | 1.28 ± 0.62 | 1.35 ± 0.61 | 1.15 ± 0.64c |
| FEV1%pred (%) | 49 ± 21 | 51 ± 21 | 46 ± 21 |
| FVC (L) | 2.66 ± 0.94 | 2.75 ± 0.91 | 2.44 ± 1.00c |
| FVC %pred (%) | 75 ± 19 | 76 ± 19 | 72 ± 19 |
| FEV1/FVC | 0.49 ± 0.17 | 0.51 ± 0.18 | 0.46 ± 0.16c |
| COPD severity (n,%) | |||
| GOLD grade I | 21 (11) | 16 (12) | 5 (7) |
| GOLD grade II | 58 (29) | 44 (34) | 14 (21) |
| GOLD grade III | 92 (46) | 60 (46) | 32 (47) |
| GOLD grade IV | 27 (14) | 10 (8) | 17 (25)c |
| Supplemental oxygen (n, %) | 12 (5) | 8 (5) | 4 (5) |
| 6MWD (m) | 359 (97) | 365 (94) | 346 (101) |
| 6MWD%pred (%)17 | 59 (16) | 60 (15) | 57 (25) |
| mMRC | 1.9 ± 0.9 | 1.8 ± 0.9 | 2.1 ± 0.9c |
| ≥1 respiratory-related hospital admission in previous 12 months (n, %) | 115 (46%) | 72 (43%) | 43 (51%)c |
BMI: body mass index; COPD: chronic obstructive pulmonary disease; ILD: interstitial lung disease; FEV1: forced expiratory volume in one second; %pred: %predicted; FVC: forced vital capacity; DLCO: diffusing capacity for carbon monoxide; GOLD: Global Initiative for COPD; 6MWD: 6-minute walk distance; mMRC: modified Medical Research Council dyspnoea scale; IQR: interquartile range.
aData are mean ± SD unless otherwise stated.
bDLCO %pred – n = 121.
c p < 0.05 completed vs. did not complete program.