Table 2:
Optimization of Spacer using the best case 0.6mm_v2 LV-DPI. Mean aerosol characteristics with standard deviations (SD) shown in parenthesis [n=3].
| Description | Spacer 1 | Spacer 2 |
|---|---|---|
| Capsule (%) | 10.7 (4.9) | 7.6 (0.2) |
| LV-DPI (%) | 2.2 (1.3) | 1.2 (0.1) |
| LV-DPI ED (%) | 87.1 (5.9) | 91.2 (0.2) |
| Spacer (%) | 12.2 (1.3) | 9.0 (1.8)* |
| Spacer ED (%) | 74.8 (5.8) | 82.2 (1.6)* |
| FPF<5μm/ED (%) | 89.4 (3.9) | 86.5 (3.1) |
| FPF<1μm/ED (%) | 12.2 (1.1) | 13.0 (0.7) |
| MMAD (μm) | 2.28 (0.18) | 2.31 (0.11) |
p <0.05 significant difference compared to Spacer 1 (t-test).