Types of errors | Proportion of prescriptions with each error type before CPOE implementation (%) | Proportion of prescriptions with each error type after CPOE implementation (%) | Distribution used (PSA) |
Clinical | |||
Contraindication for patients ≥ 65 years | 0.5 | 0.2 | Lognormal |
Drug allergy | 0.2 | 0 | Lognormal |
Drug-disease interaction | 0.5 | 0.2 | Lognormal |
Drug-drug interaction | 0.5 | 0.3 | Lognormal |
Lack of appropriate laboratory monitoring | 2.0 | 2.1 | Lognormal |
Therapeutic duplication | 0.3 | 0.3 | Lognormal |
Wrong directions | 2.4 | 1.6 | Lognormal |
Wrong dosage form | 0.1 | 0.1 | Lognormal |
Wrong dose | 0.2 | 0.2 | Lognormal |
Wrong drug | 0.3 | 0.2 | Lognormal |
Wrong route | 0 | 0 | Lognormal |
Wrong strength | 0.3 | 0.1 | Lognormal |
Total proportion of prescriptions with clinical errors | 7.3 | 5.3 | |
Administrative |
|
|
|
Illegible writing | 2.0 | 0 | Lognormal |
Inappropriate abbreviations | 4.8 | 0.4 | Lognormal |
Missing information | 3.8 | 2.5 | Lognormal |
Wrong patient | 0.1 | 0 | Lognormal |
Wrong physician | 0.1 | 0 | Lognormal |
Total proportion of prescriptions with administrative errors | 10.8 | 2.9 | |
Total proportion of prescriptions with any type of error | 18.2 | 8.2 |