| Parameter | KIT mutation negative (%) | KIT mutation positive (%) | p value |
| Age, y (SD) | 57.2 (16.6) | 62.8 (14.2) | 0.16 |
| Gender | 0.94 | ||
| Male | 43.3 | 56.7 | |
| Female | 42.4 | 57.6 | |
| Location | 0.27 | ||
| Gastric | 51.4 | 48.6 | |
| Small intestine | 35.0 | 65.0 | |
| Other | 25.0 | 75.0 | |
| Dimension (cm) | 0.93 | ||
| <5 | 44.0 | 56.0 | |
| ≥5 | 42.8 | 57.2 | |
| Mitotic index (50 HPF) | 0.80 | ||
| <5 | 45.4 | 54.5 | |
| 5–10 | 44.4 | 55.6 | |
| >10 | 33.3 | 66.7 | |
| Risk grade | 0.70 | ||
| VLR–LR | 40.0 | 60.0 | |
| IR | 53.3 | 46.7 | |
| HR | 42.3 | 57.7 | |
| Histological subtype | 0.01 | ||
| Spindle | 41.5 | 58.5 | |
| Epithelioid | 100.0 | 0.0 | |
| Mixed | 25.0 | 75.0 | |
| CD117 expression | 0.39 | ||
| Positive | 40.4 | 59.6 | |
| Negative | 60.0 | 40.0 | |
| Follow-up, months (SD) | 148.7 (17.1) | 100.8 (12.1) | 0.05 |
HPF, high power field (×400); VLR, very low risk; LR, low risk; IR, intermediate risk; HR, high risk.