Prevalence (95% CI) of clinically relevant errors
| Ward | Period | Number of doses | No error | Minor error | Clinically relevant error |
|---|---|---|---|---|---|
| ICU | Baseline | 236 | 32.6% (26.6 to 38.6) | 3.4% (1.1 to 5.7)* | 64.0% (57.9 to 70.1)* |
| Follow-up | 407 | 41.5% (36.7 to 46.3) | 9.6% (6.7 to 12.5)* | 48.9% (44.0 to 53.8)* | |
| PSU | Baseline | 280 | 27.1% (21.9 to 32.3) | 15.0% (10.8 to 19.1) | 57.9% (52.1 to 63.7) |
| Follow-up | 281 | 26.7% (21.5 to 31.9) | 9.2% (5.8 to 12.6) | 64.1% (58.5 to 69.7) |
*Significant difference between baseline and follow-up (based on 95% CI).
ICU, intensive care unit (the intervention ward); PSU, post-surgical unit (the control ward).