Table 2

Univariate and multivariate logistic regression for variables associated with non-completion of pulmonary rehabilitation in patients with COPD (n=816)

UnivariateOR (95% CI)p Value
Age0.983 (0.967 to 0.998)0.029
Sex0.855 (0.628 to 1.164)0.32
Current smoker (yes/no)1.000 (1.000 to 1.000)0.52
MRC1.619 (1.388 to 1.887)<0.001
FEV1 % predicted0.995 (0.987 to 1.002)0.15
GOLD stage1.000 (1.000 to 1.000)0.52
Age-adjusted Charlson Index0.926 (0.849 to 1.019)0.11
ISWT distance0.996 (0.995 to 0.998)<0.001
QMVC0.986 (0.970 to 1.003)0.12
ADO1.122 (1.022 to 1.231)0.015
CAT score1.059 (1.038 to 1.080)<0.001
HAD anxiety1.061 (1.027 to 1.096)<0.001
HAD depression1.093 (1.051 to 1.137)<0.001
Frailty characteristic
 Unintentional weight loss1.578 (1.0044 to 2.385)0.030
 Exhaustion1.615 (1.154 to 2.261)<0.001
 Low physical activity2.334 (1.708 to 3.189)<0.001
 Slow gait speed2.317 (1.655 to 3.244)<0.001
 Weak handgrip strength1.258 (0.927 to 1.709)0.141
Frailty status (not or pre-frail/frail)2.699 (1.936 to 3.762)<0.001
MultivariateAdjusted OR (95% CI)p Value
Age0.964 (0.944 to 0.984)0.001
ISWT distance0.998 (0.997 to 1.000)0.026
CAT score1.024 (0.998 to 1.051)0.07
Frailty status, yes/no2.195 (1.392 to 3.463)0.001
  • ADO, age, dyspnoea, and airflow obstruction; CAT, COPD Assessment Test; HADS, Hospital Anxiety and Depression scale; ISWT, incremental shuttle walk test; MRC, Medical Research Council; QMVC, quadriceps maximum voluntary contraction.