Terminology used for patient reported PSIs
| PSI terminology | Studies using terminology |
| Adverse event (AE), near miss/close call, medical error with minimal or no risk of harm | 17 24 29 |
| Adverse drug event (ADE) and medication error | 25 |
| AE only | 23 26 31 33 |
| ADE only | 32 |
| Undesirable event | 15 27 |
| Error in (chemotherapy) treatment | 28 |
| Mistakes related to medication | 30 |