Median daily averages of each ventilator index measurements by diagnostic group
| Measure | Diagnostic group | Median | IQR |
| Usage (hours) | Obesity hypoventilation syndrome | 7.6 | 4.9 |
| Neuromuscular disease | 9.2 | 4 | |
| Restrictive chest wall disease | 8.9 | 1.3 | |
| Obstructive lung disease | 9.2 | 5.6 | |
| Total leak (L/min) | Obesity hypoventilation syndrome | 51 | 39 |
| Neuromuscular disease | 55 | 35 | |
| Restrictive chest wall disease | 41 | 13 | |
| Obstructive lung disease | 38 | 18 | |
| Unintentional leak (L/min) | Obesity hypoventilation syndrome | 11 | 22 |
| Neuromuscular disease | 9 | 25 | |
| Restrictive chest wall disease | 12 | 4 | |
| Obstructive lung disease | 12 | 8 | |
| Tidal volume (mL) | Obesity hypoventilation syndrome | 446 | 199 |
| Neuromuscular disease | 338 | 340 | |
| Restrictive chest wall disease | 319 | 272 | |
| Obstructive lung disease | 619 | 360 | |
| Minute ventilation (L/min) | Obesity hypoventilation syndrome | 9.0 | 3.3 |
| Neuromuscular disease | 6.0 | 4.6 | |
| Restrictive chest wall disease | 5.5 | 5.2 | |
| Obstructive lung disease | 11.3 | 6.5 | |
| Respiratory rate (bpm) | Obesity hypoventilation syndrome | 18 | 8 |
| Neuromuscular disease | 17 | 11 | |
| Restrictive chest wall disease | 19 | 8 | |
| Obstructive lung disease | 17 | 1 | |
| Participant triggered breaths (%) | Obesity hypoventilation syndrome | 86 | 66 |
| Neuromuscular disease | 55 | 91 | |
| Restrictive chest wall disease | 58 | 93 | |
| Obstructive lung disease | 13 | 77 | |
| Apnoea–Hypopnoea Index (events per hour) | Obesity hypoventilation syndrome | 1.7 | 21.7 |
| Neuromuscular disease | 2.7 | 5.7 | |
| Restrictive chest wall disease | 1.4 | 1.9 | |
| Obstructive lung disease | 0.9 | 6.7 |