Table 4 Univariate analysis of factors influencing RFS
Factors | Â | 5-year RFS rate (%) | P |
|---|---|---|---|
Sex | Male: female | 59.6:59.5 | 0.702 |
Age (years) | ≤60: >60 | 54.6:64.3 | 0.306 |
Gastrointestinal bleeding | Yes: no | 36.4:71.9 | 0.009 |
Primary tumor site | Gastric: non-gastric | 73.1:36.0 | 0.001 |
Tumor size (cm) | ≤5: 5.1 to 10: >10 | 79.9:47.0:33.3 | 0.022 |
Predominant cell type | Spindle: epithelioid: mixed | 63.0:45.0:51.4 | 0.423 |
Mitotic index (per 50 high power fields) | 0 to 5: 5.1 to 10: >10 | 74.9:46.1:22.2 | <0.001 |
Cellularity | Paucicellular or moderate: high | 69.6: 50.2 | 0.012 |
Necrosis | Yes: no | 48.9: 69.2 | 0.09 |
Tumor rupture | Yes: no | 20.0: 63.3 | 0.013 |
Risk classification | Very low: low: intermediate: high | 100.0:91.7:60.4:36.0 | <0.001 |
PTEN | (−): (+): (++): (+++) | 36.4:49.8:70.7:100.0 | 0.036 |
Ki-67 labeling index | ≤1%: >1% | 79.0:48.5 | 0.043 |