Table 2

Comparison between patients with chronic obstructive pulmonary disease who completed or failed to complete the five-repetition sit-to-stand (5STS) manoeuvre

Characteristic5STSp Value
CompletedFailed
n=405n=70
Age (years)68 (10)73 (10)<0.01
Sex (M/F)222/18340/300.80
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
MRC3.3 (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
SGRQ53.0 (16.4)57.5 (17.0)0.05
Charlson Index4.1 (1.6)4.9 (1.7)<0.01
ADO4.9 (1.7)6.0 (1.5)<0.01
iBODE4.3 (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.