Comparing GPs' probability estimates with the Oudega rule.
| Oudega | Oudega | |
|---|---|---|
| score ≤3 | score ≥4 | |
| Patients with DVT | ||
| GP estimate <10% | 1 | 2 |
| GP estimate 10-20% | 0 | 4 |
| GP estimate >20% | 6 | 123 |
| Patients without DVT | ||
| GP estimate <10% | 186 | 25 |
| GP estimate 10-20% | 113 | 23 |
| GP estimate >20% | 194 | 325 |
DVT = deep venous thrombosis.