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Mean (SD) in vitro aerodynamic characteristics of the emitted dose
| MDI + SP | NEB | |
|---|---|---|
| In vitro emitted dose (µg) | 237.2 (8.8) | 1649.5 (49.1) |
| % Fine particle fraction | 44.0 (2.4) | 80.1 (2.0) |
| Fine particle dose (μg) | 104.1 (3.9) | 1321.2 (39.3) |
| MMAD (μm) | 2.8 (0.1) | 2.2 (0.4) |
| GSD | 1.7 (0.1) | 3.45 (1.1) |
MDI+SP, Metered dose inhaler plus spacer; MMAD, mass median aerodynamic diameter; GSD, geometric standard deviation
