Number of prescribing errors—by error type
| Error | Control (n (%))* | Intervention (n (%))* | ||
| Intervention Total | Intervention—external to intervention component of workflow | Intervention—within intervention component of workflow | ||
| Dose error | 31 (25.8%) | 8 (6.6%) | 7 (5.8%) | 1 (0.8%) |
| Large magnitude dose errors | 22 (18.3%) | 6 (5.0%) | 6 (5.0%) | 0 (0%) |
| Route error | 4 (3.3%) | 3 (2.5%) | 3 (2.5%) | 0 (0%) |
| Patient error | 0 (0%) | 1 (0.8%) | 1 (0.8%) | 0 (0%) |
| Frequency error | 3 (2.5%) | 0 (0%) | 0 (0%) | 0 (0%) |
| Formulation error | 6 (5.0%) | 3 (2.5%) | 3 (2.5%) | 0 (0%) |
| Brand error | 4 (33.3%) | 0 (0%) | 0 (0%) | 0 (0%) |
*n=number of prescribing errors and percentage of the total 120 medication orders observed per arm, with the exception of brand errors that were relevant to 12 orders per arm where brand specificity was required.