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| Risk category | Rogers Score | Caprini Score | Observed risk of VTE (%) | Estimated baseline risk without prophylaxis (%) |
|---|---|---|---|---|
| Very low | < 7 | 0 | 0 | < 0.5 |
| Low | 7-10 | 1-2 | 0.7 | 1.5 |
| Moderate | >10 | 3-4 | 1.0 | 3.0 |
| High | NA | 5 or > 5 | 1.9 | 6.0 |
Abbreviations: NA, not applicable; VTE, venous thromboembolism.
