Research Article

Prognostic Factors and Survival in Pediatric and Adolescent Liposarcoma

Table 2

Univariate analysis evaluating 5-year survival.

𝑛 (%)Number of events5-Year survival95% CI 𝑃 value

Overall survival34 (100%) 8 78%63–93

Male19 (56%)476%55.2–96.8.71
Female15 (44%)479%57–100

High grade5 (15%)325%0–68.4.003
Low grade29 (85%)585%71.4–98.6

Well differentiated4 (11%)1100%0.013
Myxoid25 (74%)483%67.2–98.8
Pleomorphic5 (15%)325%0–68.4
Dedifferentiated00%

Tumor ≤ 5 cm14 (41%)284%63.2–100.312
Tumor > 5 cm20 (59%)674%53.6–94.4

(+) Margins12 (35%)750%21.2–78.8.001
(−) Margins22 (65%)195%85.8–100

Peripheral22 (65%)0100%0<.001
Central12 (35%)842%13.6–70.4

Superficial14 (41%)192%79.2–100.103
Deep20 (59%)769%47.6–90.4

Stage 1A11 (32%)191%73.5–100<.001
Stage 1B16 (47%)286%67.3–100
Stage 2A2 (6%)0100%0
Stage 2B000%0
Stage 33 (9%)333%0–87.7
Stage 42 (6%)2NR0