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| Scores | DPI technique | MDI technique | ||
|---|---|---|---|---|
| Observer 1 | Observer 2 | Observer 1 | Observer 2 | |
| Median (IR) | 4.5 (4.0/6.0) | 5.0 (3.0/5.0) | 4.0 (−0.5/6.0) | 5.0 (1.0/6.5) |
| Minimum/Maximum | −1/7 | −1/7 | −12/9 | −13/10 |
DPI: dry powder inhaler; MDI: metered dose inhaler; and IR: interquartile range.
