Participant use and knowledge of decision rules
| Risk stratification tool used in each case | |
|---|---|
| PERC Wells | 27/168 cases (16%) |
| Wells | 30/168 cases (18%) |
| PERC gestalt | 18/168 cases (11%) |
| Gestalt | 93/168 cases (55%) |
| Knowledge test results | |
| Correctly listed PERC items | 43/63 physicians (68%) |
| Correctly listed Wells items | 40/63 physicians (60%) |
| Correctly described age-adjusted d-dimer | 36/63 physicians (57%) |
Note: PERC = Pulmonary Embolism Rule-out Criteria.