Cumulative incidence of VTE at 12 months
| PRISM risk category . | Derivation cohort (95% CI) . | External validation cohort (95% CI) . |
|---|---|---|
| Low (0) | 2.7% (0.7-7.0) | 6.4% (1.6-15.9) |
| Intermediate (1-6) | 10.8% (8.2-13.8) | 10.7% (6.2-16.4) |
| High (≥7) | 36.5% (23.6-49.6) | 23.8% (8.3-43.6) |
| PRISM risk category . | Derivation cohort (95% CI) . | External validation cohort (95% CI) . |
|---|---|---|
| Low (0) | 2.7% (0.7-7.0) | 6.4% (1.6-15.9) |
| Intermediate (1-6) | 10.8% (8.2-13.8) | 10.7% (6.2-16.4) |
| High (≥7) | 36.5% (23.6-49.6) | 23.8% (8.3-43.6) |