Table 4.
Correlation Between RRM2 Expression and Clinicopathological Characteristics of RLPS Patients
| Clinicopathological Characteristics | Positive (%) | Negative (%) | P value |
|---|---|---|---|
| Gender | |||
| Male | 43 (79.6) | 11 (20.4) | 0.315 |
| Female | 35 (87.5) | 5 (12.5) | |
| Age (years) | |||
| <55 | 43 (81.1) | 10 (18.9) | 0.588 |
| ≥55 | 35 (85.4) | 6 (14.6) | |
| Tumor number | |||
| Single | 57 (82.6) | 12 (17.4) | 0.573 |
| Multiple | 21 (84.0) | 4 (16.0) | |
| Tumor size (cm) | |||
| <15 | 14 (87.5) | 2 (12.5) | 1.000 |
| 15–30 | 37 (82.2) | 8 (17.8) | |
| ≥30 | 27 (81.8) | 6 (18.2) | |
| Histological subtype | |||
| Well-differentiated | 15 (62.5) | 9 (37.5) | 0.027 |
| Dedifferentiated | 43 (87.8) | 6 (12.2) | |
| Myxoid/round cell | 12 (92.3) | 1 (7.7) | |
| Pleomorphic | 8 (100.0) | 0 (0.0) | |
| Grade | |||
| Low-grade | 15 (62.5) | 9 (37.5) | 0.004 |
| High-grade | 63 (90.0) | 7 (10.0) |
Abbreviation: RLPS, retroperitoneal liposarcoma.