Table 2 Nurse-observed serious errors for Diskus vs. Pulmojet and Turbohaler vs. Pulmojet comparisons: post-patient information leaflet alone and post-leaflet and instructional video
First randomised device | Non-inferiority | ||
|---|---|---|---|
Pulmojet vs. Diskus | Pulmojet | Diskus | Proportions of patients with no errors: |
(n = 277) | (n = 277) | Difference (95 % CI) | |
Post-patient information leaflet alone | |||
No serious error, n (%) | 110 (39.7) | 74 (26.7) | 0.13 (0.05–0.21) |
≥1 errors, n (%) | 167 (60.3) | 203 (73.3) | -- |
Post-patient information leaflet and instructional video (primary endpoint) | |||
No serious error, n (%) | 215 (77.6) | 170 (61.4) | 0.16 (0.09–0.24) |
≥1 errors, n (%) | 62 (22.4) | 107 (38.6) | -- |
Pulmojet vs. Turbohaler | Pulmojet (n = 144) | Turbohaler (n = 144) | |
Post-patient information leaflet alone | |||
No serious error, n (%) | 59 (41.0) | 25 (17.4) | 0.24 (0.13–0.34) |
≥1 errors, n (%) | 85 (59.0) | 119 (82.6) | -- |
Post-patient information leaflet and instructional video (primary endpoint) | |||
No serious error, n (%) | 106 (73.6) | 69 (47.9) | 0.26 (0.15–0.37) |
≥1 errors, n (%) | 38 (26.4) | 75 (52.1) | -- |