Adverse event rates before and after checklist implementation
| Before checklist | After checklist | ||||
|---|---|---|---|---|---|
| Adverse event or near-miss | N | % | N | % | p Value |
| Pregnancy not addressed in woman of childbearing age | 2 | 2.8 | 1 | 1.7 | 1.00 |
| Wrong item opened at beginning of procedure | 6 | 8.5 | 2 | 3.3 | 0.29 |
| Creatinine not checked in patient 50+ or high risk | 2 | 2.8 | 0 | 0.0 | 0.50 |
| Heparin dose delayed or accidently not given | 2 | 2.8 | 0 | 0.0 | 0.50 |
| Maximum contrast dose exceeded | 1 | 1.4 | 1 | 1.7 | 1.00 |
| Access obtained before time out performed/signed | 5 | 7.0 | 0 | 0.0 | 0.06 |
| Access obtained with wrong or no patient name in computer | 1 | 1.4 | 0 | 0.0 | 1.00 |
| Excessive radiation exposure to patient or staff | 3 | 4.2 | 0 | 0.0 | 0.25 |
| Time delay due to poor communication | 3 | 4.2 | 2 | 3.3 | 1.00 |
| Total | 25 | 35.2 | 6 | 10.0 | 0.001 |