Table IV.
Summary Statistics and 95% Confidence Intervals on Ratio of Standard Deviations of HRT to Full Resolution for Metrics Relating Inhaler APSD
| Metric | Impactor configuration | Mean (µg) | Standard deviation (µg) | CV (%) | 95% Confidence interval on ratio of standard deviations of abbreviated to full configuration |
|---|---|---|---|---|---|
| CPM | ACI | 44.08 | 2.87 | 6.52 | – |
| HRT | 45.17 | 3.00 | 6.64 | 0.57; 1.89 | |
| FPM | ACI | 35.43 | 1.40 | 3.88 | – |
| HRT | 35.00 | 1.74 | 4.97 | 0.69; 2.25 | |
| EPM | ACI | 2.21 | 0.74 | 33.72 | – |
| HRT | 7.93 | 0.99 | 12.44 | 0.73; 2.40 |
Inclusion of 1 in confidence interval indicates no statistically significant difference
CV coefficient of variation