Research Article
Prognostic Factors and Survival in Pediatric and Adolescent Liposarcoma
Table 2
Univariate analysis evaluating 5-year survival.
| | (%) | Number of events | 5-Year survival | 95% CI | value |
| Overall survival | 34 (100%) | 8 | 78% | 63–93 | |
| Male | 19 (56%) | 4 | 76% | 55.2–96.8 | .71 | Female | 15 (44%) | 4 | 79% | 57–100 | |
| High grade | 5 (15%) | 3 | 25% | 0–68.4 | .003 | Low grade | 29 (85%) | 5 | 85% | 71.4–98.6 | |
| Well differentiated | 4 (11%) | 1 | 100% | 0 | .013 | Myxoid | 25 (74%) | 4 | 83% | 67.2–98.8 | | Pleomorphic | 5 (15%) | 3 | 25% | 0–68.4 | | Dedifferentiated | 0 | | 0% | | |
| Tumor ≤ 5 cm | 14 (41%) | 2 | 84% | 63.2–100 | .312 | Tumor > 5 cm | 20 (59%) | 6 | 74% | 53.6–94.4 | |
| (+) Margins | 12 (35%) | 7 | 50% | 21.2–78.8 | .001 | (−) Margins | 22 (65%) | 1 | 95% | 85.8–100 | |
| Peripheral | 22 (65%) | 0 | 100% | 0 | <.001 | Central | 12 (35%) | 8 | 42% | 13.6–70.4 | |
| Superficial | 14 (41%) | 1 | 92% | 79.2–100 | .103 | Deep | 20 (59%) | 7 | 69% | 47.6–90.4 | |
| Stage 1A | 11 (32%) | 1 | 91% | 73.5–100 | <.001 | Stage 1B | 16 (47%) | 2 | 86% | 67.3–100 | | Stage 2A | 2 (6%) | 0 | 100% | 0 | | Stage 2B | 0 | 0 | 0% | 0 | | Stage 3 | 3 (9%) | 3 | 33% | 0–87.7 | | Stage 4 | 2 (6%) | 2 | NR | 0 | |
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