Answers to the question“During regular ventilator servicing, for which ventilator functions is it checked that the machine responds to the settings appropriately?”
| Yes % | No % | Not applicable % | No answer % | |
| Alarms | 73 | 3 | 5 | 19 |
| Oxygen | 47 | 9 | 19 | 25 |
| Tidal volume | 63 | 4 | 10 | 23 |
| Minute volume | 58 | 4 | 13 | 25 |
| Inspiratory pressure | 72 | 2 | 5 | 21 |
| Expiratory pressure | 68 | 4 | 6 | 22 |
| Trigger sensitivity | 63 | 6 | 8 | 23 |
Data are presented as percentages of centres.