Table 1.
Comparison between the GI-bleeding group and the non-GI bleeding group.
| Factors | GI bleeding (n=164) | Not GI bleeding (n=169) | P |
|---|---|---|---|
| Age | 54.0±12.8 | 55.9±9.9 | 0.15 |
| Gender (M/F, n) | 97/67 | 79/90 | 0.53 |
| Tumor size (cm) | 7.5±5.8 | 7.5±6.3 | 0.41 |
| Mitotic (/50HPF) | 0.33 | ||
| <5 | 46 | 66 | |
| 5–10 | 48 | 54 | |
| >10 | 70 | 43 | |
| Tumor sites (n)* | 0.16 | ||
| Gastric | 83 | 96 | |
| Non-gastric | 81 | 73 | |
| Tumor rupture | 0.31 | ||
| No | 104 | 121 | |
| Yes | 60 | 48 | |
| Risk** | 0.27 | ||
| Very low and low | 30 | 49 | |
| Intermediate | 29 | 30 | |
| High | 105 | 90 |
RFS – relapse-free survival; HPF – high power field; GI – gastrointestinal. The χ2 test was used to exam categorical data and the t test or ANOVA was applied to compare continuous data. P values <0.05 was considered statistical significance.
*
In non-gastric group, GISTs were located in small intestine, colorectum, and esophagus.
**
A risk category was assigned to all patients based on the application of the modified NIH criteria (2008 Edition).