| Non-COPD | Mild COPD | Moderate COPD | Severe COPD | |
| Outliers excluded | n = 0 | n = 2 | n = 1 | n = 1 |
| n = 281 | n = 15 | n = 78 | n = 121 | n = 66 |
| Mean (SD) pre-PR ESWT (m) | 542 (379) | 514 (470) | 405 (369) | 352 (313) |
| Mean (SD) post-PR ESWT (m) | 988 (610) | 798 (505) | 722 (541) | 644 (832) |
| Mean change ESWT (m) | 446 (522) p = 0.006* | 284 (356) p = 0.000* | 303 (469) p = 0.000* | 291 (737) p = 0.000* |
| Mean (SD) % change ESWT | 134 (173) | 113 (126) | 155 (219) | 147 (273) |
| Median (range) % change ESWT | 65§ (−58 to 488) | 63§ (−51 to 667) | 68§ (−100 to 1000) | 50§ (−89 to 1300) |
*Wilcoxon signed rank test. †No significant difference in percentage change between groups (Kruskal–Wallis, p = 0.738). COPD, chronic obstructive pulmonary disease; ESWT, endurance shuttle walk test; PR, pulmonary rehabilitation.