Table 4.
The effect of distance from mouthpiece of nebulizer on DSD
| Nebulizer | Distance (cm) | D10 (μm) | D50 (μm) | D90 (μm) | GSD | VMD (μm) |
|---|---|---|---|---|---|---|
| LC Sprint Junior | 3 | 3.40±0.12 | 4.46±0.10 | 5.75±0.16 | 1.56±0.04 | 4.60±1.00 |
| 6 | 3.19±0.25 | 4.51±0.15 | 6.02±0.08 | 1.66±0.10 | 5.50±0.15 | |
| LC disposable | 3 | 3.77±0.08 | 4.74±0.07 | 5.75±0.04 | 1.41±0.02 | 4.75±0.08 |
| 6 | 3.30±0.06** | 4.58±0.03 | 5.92±0.07 | 1.58±0.03** | 5.19±0.50 |
Notes:
**
P<0.01. Values expressed as means ± SD (n=3).
Abbreviations: DSD, droplet-size distribution; D10, 10% droplets ≤ diameter in size; GSD, geometric SD; VMD, volume mean diameter.