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Summary of the association analysis between metastatic disease at presentation and histologic subtype with tumor thrombus in the large draining veins on imaging in 39 patients with pelvic osteosarcoma
| Characteristic | Tumor thrombus in the large draining veins | P value | |
|---|---|---|---|
|
| |||
| No, n (%) | Yes, n (%) | ||
| Metastatic disease at presentation | |||
| No | 12 (60) | 8 (40) | 0.20 |
| Yes | 7 (37) | 12 (63) | |
| Subtype | |||
| Chondroblastic | 8 (32) | 17 (68) | 0.008 |
| Other | 11 (79) | 3 (21) | |
P-values by Fisher’s exact test.
