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Bova score.
| Predictor variable | Points | Risk stage | Points | PE-related complications | PE-related mortality |
|---|---|---|---|---|---|
| Systolic blood pressure <100 mm Hg | 2 | Stage I, low risk | 0-2 | 4.2% | 1.7% |
| Elevated cardiac troponin | 2 | Stage II, intermediate risk | 3-4 | 10.8% | 5.0% |
| RV dysfunction | 2 | Stage III, high risk | >4 | 29.2% | 15.5% |
| Heart rate ≥100 beats/min | 1 |
PE, pulmonary embolism; RV, right ventricle.
