Reasons for non-compliance to VO2peak test
| Baseline | Three months | Six months | Cessation after 12 months | |||||
| Reasons | n | % | n | % | n | % | n | % |
| 1 | 16 | 28.6 | 12 | 23.5 | 16 | 33.3 | 1 | 33.3 |
| 2 | 28 | 50.0 | 30 | 58.8 | 24 | 50.0 | 2 | 66.7 |
| 3 | 3 | 5.4 | 4 | 7.8 | 4 | 8.3 | – | – |
| 4 | 3 | 5.4 | 3 | 5.9 | 4 | 8.3 | – | – |
| 5 | 3 | 5.4 | – | – | – | – | – | – |
| 6 | 3 | 5.4 | 2 | 3.9 | – | – | – | – |
| Total | 56 | – | 49 | – | 48 | – | 3 | – |