Potential of errors to cause harm from UK studies
| Error category | Percentage of all errors by severity in each healthcare setting | ||
| Primary care (%) | Care homes | Secondary care (%) | |
| Prescribing | Mild: 49.4% Moderate: 49.8% Severe: 0.81%19 | No UK data available | Mild: 41.1% Moderate: 51.6% Severe: 7.3%17 |
| Transition | No UK data available | No UK data available | No UK data available |
| Dispensing | Mild: 64.8% Moderate: 34.1% Severe: 1.1%25 | No UK data available | Mild: 85.7% Moderate: 8.6% Severe: 5.7%26 |
| Administration | N/A | No UK data available | Mild: 92.4% Moderate: 7.3% Severe: 0.3%7 |
| Monitoring | Mild: 10.9% Moderate: 72.7% Severe: 16.4%19 | No UK data available | Mild: 10.9% Moderate: 72.7% Severe: 16.4%17 |
N/A, not available.