Survival and days spent on NIV
| All patients n = 18 | Still receiving NIV n = 8 | Died n = 1 | |
| Diagnosis to NIV (days) | 359 (30–2076) | 376 (134–1448) | 359 (30–2076) |
| Survival from NIV initiation (days) | 181 (66–1004) | 399 (66–1004) | 184 (90–339) |
| Survival from diagnosis (days) | 690 (142–2413) | 711 (224–2413) | 652 (142–2572) |
Data are median (range).