| Category of error/description | Participant #s | Total occurrences in error category |
| Unauthorized drug error *Drug given that was not ordered/needed to be held. | 1, 3, 4, 5, 6 & 7 | 6 |
| Wrong route error *Drug administered to wrong area of body. | 1 | 1 |
| Wrong dose error *Correct medication, incorrect dose. | 8 | 1 |
| Omission error *Medication ordered was missed. | 3 | 1 |
| Wrong documentation error (New) *Medication documented on patient who did not receive it. | 2 | 1 |