Table 4. Multivariate analysis for predictors of deep vein thrombosis on follow-up CT.
| Odds ratio | 95% Confidence interval | p-value | |
|---|---|---|---|
| Within 1 month | |||
| RV dilation on initial CT | 8.299 | 1.892–36.401 | 0.005 |
| Proximal DVT at initial presentation | 6.927 | 1.904–25.197 | 0.003 |
| 1–3 Months | |||
| Proximal DVT at initial presentation | 6.689 | 1.531–29.228 | 0.012 |
| 3–9 Months | |||
| Central PE | 4.254 | 1.221–4.831 | 0.023 |
| PESI | 0.976 | 0.951–1.003 | 0.080 |
CT: computed tomography; RV: right ventricle; DVT: deep vein thrombosis; PE: pulmonary embolism; PESI: pulmonary embolism severity index.