Mean±sd percentage of dose delivered with jet and mesh nebulisers during mechanical ventilation, noninvasive ventilation, and spontaneous breathing in adults
| Mechanical ventilation | Noninvasive ventilation | Spontaneous breathing | p-value | |
| Jet nebuliser | 6.80±1.55 | 6.10±0.34 | 6.12±0.26 | 0.384 |
| Mesh nebuliser | 23.16±0.67 | 18.36±1.06 | 17.29±1.69 | 0.0001 |
| p-value | 0.0001 | 0.0001 | 0.0001 |