Baseline characteristics expressed as mean (SD) and Spearman rank correlation with five-repetition sit-to-stand (5STS) manoeuvres
| Characteristic | Mean (SD) | Spearman rank | p Value |
|---|---|---|---|
| Age | 69 (10) | 0.15 | <0.01 |
| Sex (M/F) | 262/213 | −0.06 | 0.24 |
| Height (m) | 1.66 (0.10) | −0.08 | 0.09 |
| Weight (kg) | 77.0 (21.7) | 0.00 | 0.95 |
| BMI (kg/m2) | 27.8 (6.8) | 0.04 | 0.37 |
| FEV1% predicted | 47.6 (20.6) | −0.10 | 0.05 |
| ISW (m) | 203 (145) | −0.59 | <0.01 |
| ISW (% predicted) | 34 (23) | −0.51 | <0.01 |
| QMVC (kg) | 24.6 (9.5) | −0.33 | <0.01 |
| QMVC (% predicted) | 57.8 (16.9) | −0.38 | <0.01 |
| MRC | 3.5 (1.1) | 0.43 | <0.01 |
| SGRQ | 53.6 (16.6) | 0.35 | <0.01 |
| CAT | 22.2 (7.9) | 0.31 | <0.01 |
| Charlson | 4.2 (1.6) | 0.14 | <0.01 |
| ADO | 5.1 (1.7) | 0.42 | <0.01 |
| iBODE | 4.6 (2.6) | 0.46 | <0.01 |
| 5STS (s) | 15.4 (6.5) | 1.00 | <0.01 |
ADO, Age Dyspnoea Obstruction index; BMI, body mass index; CAT, COPD Assessment Test; Charlson, age-adjusted Charlson Index; FEV1, forced expiratory volume in 1 s; iBODE, BODE index with incremental shuttle walk as measure of exercise capacity; ISW, incremental shuttle walk; MRC, Medical Research Council dyspnoea score; QMVC, quadriceps maximum voluntary contraction; SGRQ, St George's Respiratory Questionnaire.