| Before PR | After PR | Mean (SE) difference after PR (95% CI) | p Value | |
| Quadriceps MVC (N) | 312 (20) | 334 (23) | 22 (31) (9 to 35) | 0.002 |
| 6MWD (m) | 274 (13) | 333 (13) | 59 (33) (45 to 73) | <0.001 |
| Resting Borg score | 1.6 (0.2) | 0.9 (0.2) | 0.7 (1.2) (0.2 to 1.6) | 0.008 |
| Peak Borg score | 4.6 (0.2) | 3.2 (0.3) | 1.4 (1.7) (0.7 to 2.1) | <0.001 |
| Leg activity | ||||
| % of time spent mobile | 50.0 (2.7) | 55.2 (2.6) | 5.2 (9.4) (1.2 to 9.3) | 0.014 |
| Mean activity score (×103 counts/h) | 81.5 (53.2) | 117.2 (84.2) | 35.7 (49) (14.5 to 56.9) | 0.002 |
| Mean intensity of activity score (×103 counts/h) | 156 (69.2) | 208.5 (123.4) | 52.5 (74.2) (20.4 to 84.6) | 0.001 |
| Health status | ||||
| HAD Anxiety | 7.2 (1) | 5.6 (0.6) | 1.6 (3.2) (0.2 to 3.0) | 0.016 |
| HAD Depression | 6.4 (0.6) | 4.4 (0.6) | 2 (2.2) (1.0 to 2.9) | <0.001 |
| SGRQ | 62.9 (2.5) | 47.8 (2.4) | 15.1 (12.5) (8.9 to 19.7) | <0.001 |
| NEADL | 16.4 (0.5) | 18.2 (0.5) | 1.8 (1.7) (1.1 to 2.6) | <0.001 |
Data shown are mean (SE).
HAD, Hospital Anxiety and Depression questionnaire score; 6MWD, six minute walking distance (metres); MVC, maximum voluntary contraction; NEADL, Nottingham Extended Activities of Daily Living Questionnaire; PR, pulmonary rehabilitation; SGRQ, St George’s Respiratory Questionnaire.