Table 3.
Agreement between EMS vs. ED/hospital providers for preinjury anticoagulant or antiplatelet use
| Preinjury medication | n (%) per EMS providers | Overall agreement, % | Positive agreement, % | Negative agreement, % | Kappa statistic (95% CI) |
|---|---|---|---|---|---|
| Warfarin | 123 (5.8) | 96.9 | 67.3 | 99.5 | 0.76 (0.71–0.82) |
| DOAC a | 7 (0.3) | 99.4 | 33.3 | 99.9 | 0.45 (0.19–0.71) |
| Aspirin | 184 (8.7) | 84.5 | 30.6 | 96.0 | 0.33 (0.28–0.39) |
| Other antiplatelet agent b | 115 (5.5) | 96.1 | 40.0 | 99.3 | 0.51 (0.42–0.60) |
Abbreviations: EMS, Emergency Medical Services; ED, emergency department
a
Direct oral anticoagulant, includes dabigatran, rivaroxaban, and apixaban
b
Other antiplatelet agent includes clopidogrel, ticlodipine, prasugrel, dipyridamole, cilostazol, or ticagrelor