| All | COPD | Chest wall disease | Neuromuscular disease | OHS | ILD | |
| N | 49 | 19 | 9 | 7 | 11 | 3 |
| age | 67.3 | 67.4 | 64.0 | 68.7 | 69.1 | 66.7 |
| T0 | ||||||
| pCO2 | 53.0 | 56.1 | 50.7 | 49.1 | 51.2 | 57.0 |
| PO2 | 65.4 | 61.5 | 68.6 | 71 | 62.9 | 76 |
| IPAP | 16.9 | 17.1 | 15.2 | 15.9 | 18.9 | 16.3 |
| EPAP | 6.6 | 5.8 | 5.9 | 5.7 | 9.0 | 6.3 |
| 3 months | ||||||
| pCO2 | 46.8 | 49.2 | 45.8 | 43.9 | 44.5 | 52.0 |
| pO2 | 71.6 | 71.6 | 69.4 | 77.1 | 68.6 | 76 |
| nonclompliant | 5 (10.2%) | 4 (21.1%) | 1 (11.1%) | |||
| avg usage | 6.3 | 5.9 | 5.9 | 6.1 | 7.4 | 6 |