Table 4.
Inhalation misuse by inhaler devices
| Critical errors (%)a | nº | % of incorrect use | 1 | 2 | 3 |
|---|---|---|---|---|---|
| pMDI (12 with spacer) | 69 | 53.6 | 5.8 | 30.6 | 17.4 |
| SMI | 81 | 28.4 | 0 | 16 | 12.3 |
| sDPI | 132 | 24.2 | 9.1 | 5.3 | 9.8 |
| Breezhaler® | 72 | 19.4 | 6.9 | 5.6 | 6.9 |
| Handihaler® | 51 | 37.3 | 13.7 | 5.9 | 17.6 |
| Aeroliser® | 9 | 0 | 0 | 0 | 0 |
| mDPI | 239 | 26.8 | 8.4 | 11.3 | 7.1 |
| Diskus® | 75 | 29.3 | 2.7 | 16 | 10.7 |
| Genuair® | 53 | 22.6 | 11.3 | 5.7 | 5.7 |
| Spiromax® | 43 | 25.6 | 0 | 20.9 | 4.7 |
| Turbuhaler® | 37 | 35.1 | 29.7 | 2.7 | 2.7 |
| Ellipta® | 31 | 16.1 | 3.2 | 6.5 | 6.5 |
| (P<0.001) | (P<0.001) | ||||
Notes: aCritical errors related to: 1=priming/loading; 2=inhalation maneuver; 3=1+2. bIncorrect use=presence of critical errors.