Reason for emergency visits over the 6-month period
| Home visits n | |
| Total visits | 188 |
| Ventilator not working | 52 |
| Technical issue (alarming, not reaching pressure, noisy) | 43 |
| Equipment required (tubing, filters, mask spares) | 39 |
| No fault | 25 |
| Circuit fitted incorrectly | 9 |
| Hospital requested exchange | 9 |
| Patient changed settings by mistake | 8 |
| Patient did not like replacement ventilator | 2 |
| Set up of ventilator at home | 1 |