Table 3

Between-group differences in primary and secondary outcomes

Mean value (SD), nRegression analysis (ITT population)Regression analysis (PP population)
Face-to-face PR (n=26)Online PR (n=64)Adjusted difference (95% CI)p ValueAdjusted difference (95% CI)p Value
6 min walk test (m)
Baseline416.5 (118.3)388.7 (104.4)23.8 (−4.5 to 52.2)0.09815.0 (−13.7 to 43.8)0.300
7 weeks445.1 (124.9)433.6 (102.9)
COPD assessment test score
Baseline17.3 (6.7)18.1 (7.9)−1.0 (−2.9 to 0.86)0.373−0.64 (−2.5 to 1.2)0.569
7 weeks16.2 (6.7)14.9 (7.0)
Hospital Anxiety and Depression Scale
Baseline10.0 (6.0–18.0)10.0 (6.0–16.5)−0.74 (−3.5 to 0.9)0.263−1.2 (−3.5 to 1.2)0.320
7 weeks10.5 (5.0–13.0)7.0 (4.0–15.0)
St Georges Respiratory Questionnaire
Baseline37.7 (17.2)42.4 (18.6)−3.72 (−10.7 to 3.3)0.291−2.5 (−9.3 to 4.4)0.474
7 weeks39.3 (18.5)39.3 (18.5)
Modified Medical Research Council Dyspnoea score
Baseline2.0 (1.0–2.0)2.0 (1.0–3.0)0.03 (−0.56 to 0.63)0.9090.04 (−0.54 to 0.63)0.885
7 weeks1.5 (1.0, 2.0)1.0 (1.0, 2.0)
  • ITT, intention to treat; PP, per -protocol; PR, pulmonary rehabilitation.