Table 6. Predictive value of “patient history indicating potentially abnormal coagulation”, abnormal hemostatic test results, both, and neither in patients screened with all 3 hemostatic tests (n = 728,135).
| Outcome Variables | No. of patients | History* | ≥1 abnormal test | With history* and/or ≥1 abnormal test | Without history* and no abnormal coagulation tests |
|---|---|---|---|---|---|
| No. of patients | 129,353 | 173,584 | 245,273 | 482,862 | |
| Perioperative RBC transfusion | 69,729 | 29.0% | 37.8% | 51.2% | 48.8% |
| Return to the OR | 37,687 | 30.9% | 39.0% | 52.7% | 47.3% |
| Mortality | 10,013 | 48.4% | 54.3% | 70.8% | 29.2% |
| Unplanned readmission | 47,446 | 28.1% | 31.5% | 46.2% | 53.8% |
* History = History indicative of potentially abnormal hemostasis