Table 4.
Univariate analysis of factors influencing RFS
| Factors | 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 |
PTEN, Phosphatase and tensin homolog deleted from chromosome 10.