Rates of error at different stages of the intravenous administration process (% expressed as proportion of errors)
| Author | Number of included infusions | Prescribing (%) | Preparation (%) | Administration (%) |
| Cousins | 273 | 3 (1) | 182 (66.7) | |
| Ghaleb* | 1554 | 85 (5.5) | ||
| Narula | 46 | 14 (30.4) | 18 (39.1) | 14 (30.4) |
| O’Hare | 291 | 25 (8.6) | 266 (91.4) | |
| Taxis | 430 | 62 (14.4) | 155 (36) | |
| Thomas | 699 | 147 (21.1) | 172 (24.6) | 385 (55.1) |
| Wirtz | 140 | 17/77 (22) | 17/63 (26.9) | |
| Total | 3433 | 161 (0.05) | 297 (8.65) | 1104 (32.1) |
Spaces left blank indicate no reported data pertaining to intravenous medicines.
*Data reported all types of error but certain IV error types were extractable and are presented.