Table 4 Univariate analysis for survival
Factors | Category | Univariate analysis HR (95 % CI) | |
|---|---|---|---|
p value | |||
Sex | Female (vs. male) | 0.89 (0.27–2.93) | 0.85 |
Age (years) | ≥40 (vs. <40) | 5.12 (0.65–40.06) | 0.12 |
Performance status | 1 (vs. 0) | 0.59 (0.13–2.72) | 0.50 |
Histological subtype | Leiomyosarcoma (vs. UPS) | 0.39 (0.04–3.51) | 0.40 |
Synovial sarcoma (vs. UPS) | 0.69 (0.15–3.08) | 0.63 | |
Others (vs. UPS) | 0.64 (0.14–2.87) | 0.56 | |
Tumor differentiation | 3 (vs. 2) | 0.71 (0.22–2.31) | 0.56 |
Tumor necrosis | 1 or 2 (vs. 0) | 2.96 (0.64–13.73) | 0.16 |
Tumor mitosis | 2 or 3 (vs. 1) | 1.28 (0.37–4.36) | 0.70 |
Histological grade (FNCLCC) | Grade 3 (vs. 2) | 2.80 (0.74–10.55) | 0.13 |
Histological grade (Ki-67) | Grade 3 (vs. 2) | 4.12 (0.89–19.09) | 0.070 |