Crosswalk of all case-finding criteria showing overlapping cases
| PSN event type | Case-finding method | Overlapping events (N) | |||
| PSN | PSI | N-code | E-code | ||
| N | N | N | N | ||
| A. Medication error (ICD-9-CM: E873, E850-858) | 1035 | – | – | 29 | 3 |
| B. Adverse drug reaction (not a medication error) (ICD-9-CM: 960-979, E930-E949) | 13 | – | 768 | 2501 | 0 |
| C. Equipment/supplies (ICD-9-CM: 996, E874, E976.2) | 98 | – | 5021 | 2 | 0 |
| D. Fall (PSI 8) | 373 | 3 | – | – | 2 |
| E. Error related to procedure/treatment/test | 1234 | – | – | – | – |
| Unintended laceration or puncture (PSI 15; ICD-9-CM: 998.2, E870) | 2 | 328 | 321 | 205 | 100 |
| Foreign body in patient (PSI 5; ICD-9-CM: 998.4, E871) | 0 | 3 | 2 | 8 | 0 |
| F. Complication of procedure/treatment/test | 220 | – | – | – | – |
| Wound dehiscence (PSI 14) | 1 | 1 | – | – | 0 |
| Pulmonary embolism (PSI 12) | 1 | 298 | – | – | 0 |
| Anaesthesia events (PSI 1) | 2 | 16 | – | – | 0 |
| Birth trauma (PSI 17) | 1 | 18 | – | – | 0 |
| G. Transfusion | 32 | – | – | – | – |
| Transfusion reaction (PSI 16; ICD-9-CM: 999, E876.0) | 3 | 4 | 8 | 0 | 0 |
| H. Behavioural | 40 | – | – | – | – |
| I. Skin integrity | 129 | – | – | – | – |
| Pressure ulcer (PSI 3) | 7 | 165 | – | – | 0 |
| J. Care coordination/records | 87 | – | – | – | – |
| K. Other/miscellaneous | 335 | – | – | – | – |
| Total | 3613 | 836 | 6120 | 2745 | 105 |
Italics indicate subcategories of PSN in common with one or more case-finding methods.
Parentheses indicate common categories among case-finding tools.
E-code, ICD-9-CM external cause of injury; N-code, ICD-9-CM nature of injury; PSI, Patient Safety Indicators; PSN, Patient Safety Net.
– indicates no category.
See appendices for complete results from each case-finding tool.