Characteristic | 5STS | p Value | |
---|---|---|---|
Completed | Failed | ||
n=405 | n=70 | ||
Age (years) | 68 (10) | 73 (10) | <0.01 |
Sex (M/F) | 222/183 | 40/30 | 0.80 |
BMI (kg/m2) | 27.5 (6.4) | 29.2 (8.4) | 0.05 |
FEV1 (%predicted) | 47.7 (20.4) | 46.9 (21.7) | 0.76 |
MRC | 3.3 (1.1) | 4.1 (1.0) | <0.01 |
ISW (m) | 224 (146) | 84 (66) | <0.01 |
ISW (% predicted) | 37 (23) | 16 (12) | <0.01 |
QMVC (kg) | 25.6 (9.4) | 17.6 (6.7) | <0.01 |
QMVC (% predicted) | 59.6 (16.5) | 44.3 (13.5) | <0.01 |
SGRQ | 53.0 (16.4) | 57.5 (17.0) | 0.05 |
Charlson Index | 4.1 (1.6) | 4.9 (1.7) | <0.01 |
ADO | 4.9 (1.7) | 6.0 (1.5) | <0.01 |
iBODE | 4.3 (2.6) | 6.2 (2.2) | <0.01 |
Data expressed as mean (SD). Groups compared using unpaired t test.
ADO, Age Dyspnoea Obstruction index; BMI, body mass index; 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.