Error type by drug group
| Drug group | Total intravenous administration errors | Frequency of error type* (percentage in drug group) | |||
| Wrong rate | Wrong volume | Wrong mix | Drug incompatible | ||
| Anti-infective | 305 | 225 (73.8) | 109 (35.7) | 7 (2.3) | 0 (0) |
| Antiemetic | 18 | 17 (94.4) | 1 (5.6) | 0 (0) | 0 (0) |
| Antiulcerant | 14 | 8 (57.1) | 0 (0.0) | 12 (85.7) | 3 (21.4) |
| Steroid | 14 | 7 (50.0) | 8 (57.1) | 0 (0.0) | 0 (0.0) |
| Diuretic | 4 | 3 (75.0) | 0 (0.0) | 1 (25.0) | 0 (0.0) |
| Anticoagulant | 3 | 3 (100.0) | 1 (33.3) | 1 (33.3) | 0 (0.0) |
| Narcotic | 2 | 2 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Other | 2 | 0 (0.0) | 2 (100.0) | 0 (0.0) | 0 (0.0) |
| Iron | 1 | 1 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Paracetamol | 0 | 0 | 0 | 0 | 0 |
| All drug types | 363 | 266 (73.3) | 121 (33.3) | 21 (5.8) | 3 (0.8) |
↵* Sums exceed totals due to multiple errors within the same intravenous administration.