Table 1.
Participant Characteristics at Baseline
| Overall | Intervention | Control | |
|---|---|---|---|
| N | 30 | 21 | 9 |
| Age, years | 63 (9) | 64 (9) | 61 (9) |
| Sex, female/male (%) | 13/17 (43/57) | 9/12 (43/57) | 4/5 (44/56) |
| GOLD stage, n (%) | |||
| 1 | 3 (10) | 1 (5) | 2 (22) |
| 2 | 14 (47) | 13 (62) | 1 (11) |
| 3 | 9 (30) | 4 (19) | 5 (56) |
| 4 | 4 (13) | 3 (14) | 1 (11) |
| COPD Risk Group, n (%) | |||
| A | 8 (27) | 6 (29) | 2 (22) |
| B | 13 (43) | 10 (48) | 3 (33) |
| E | 9 (30) | 5 (24) | 4 (44) |
| SGRQ, points | 42.1 (15.6) | 43.3 (15.5) | 39.5 (16.2) |
| CAT, points | 14.7 (6.1) | 15.5 (6.3) | 12.9 (5.3) |
| FEV1, l | 1.5 (0.6) | 1.6 (0.6) | 1.4 (0.6) |
| FEV1, % predicted | 54 (22) | 56 (22) | 48 (23) |
| FVC, l | 2.9 (0.8) | 3.0 (0.9) | 2.9 (0.7) |
| FVC, % predicted | 78 (20) | 79 (20) | 76 (20) |
| TLco, mL/mmHg/min | 4.5 (1.6) | 4.6 (1.7) | 4.4 (1.5) |
| TLco, % predicted | 54 (20) | 55 (21) | 51 (19) |
| 1MSTST, repetitions | 27 (9) | 25 (9) | 30 (8) |
| 6MWT, m | 465 (81) | 471 (92) | 450 (51) |
| Steps per day, n | 8140 (4089) | 8782 (3027) | 7016 (5558) |
Note: Data are mean (SD) or n (%).
Abbreviations: SGRQ, St. George Respiratory Questionnaire; CAT, COPD Assessment Test; FEV1, forced expiratory volume in one second; FVC, forced vital capacity; TLco, transfer factor of the lung for carbon monoxide; 1MSTST, 1-minute sit-to-stand test; 6MWT, 6-minute walk test.