Table 2.
Response to PR
| Variable | Within-Group Response to PR |
Between-Group Difference in Response to PR |
||||
|---|---|---|---|---|---|---|
| IPF (n = 113) |
COPD (n = 103) |
Mean (95% CI) | P Value | |||
| Mean (95% CI) | P Valuea | Mean (95% CI) | P Valuea | |||
| ISWT distance change, m | 53 (37-69) | < .001 | 55 (44-66) | < .001 | 2 (–18 to 22) | .84 |
| MRC dyspnea scale grade change | –0.7 (–0.8 to –0.5) | < .001 | –0.7 (–0.9 to –0.6) | < .001 | 0.0 (–0.2 to 0.3) | .36 |
| CRQ score change | ||||||
| Dyspnea scale | 4.0 (2.9-5.1) | < .001 | 5.0 (3.7-6.2) | < .001 | 1.0 (–0.7 to 2.6) | .25 |
| Fatigue scale | 1.9 (1.0-2.8) | < .001 | 2.2 (1.3-3.1) | < .001 | 0.3 (–0.9 to 1.5) | .62 |
| Emotional function scale | 2.3 (1.0-3.5) | < .01 | 3.3 (2.0-4.7) | < .001 | 1.1 (–0.7 to 2.9) | .24 |
| Mastery scale | 1.4 (0.6-2.2) | < .001 | 2.2 (1.3-3.1) | < .001 | 0.8 (–0.4 to 1.94 | .19 |
| Total | 9.6 (6.5-12.6) | < .001 | 12.7 (9.2-16.2) | < .001 | 3.2 (–1.4 to 7.7) | .18 |
CRQ = Chronic Respiratory Questionnaire; IPF = Idiopathic Pulmonary Fibrosis; ISWT = incremental shuttle walk test; MRC = Medical Research Council; PR = pulmonary rehabilitation.
a
Difference between the values before and after PR.