Table II.
Association between the tumor site and characteristics of 20 patients diagnosed with GISTs, determined by the OR and corresponding 95% CI.
| Tumor site | ||||
|---|---|---|---|---|
| Characteristic | Rectum, n | Non-rectum, n | OR (95% CI) | P-value |
| Total cases | 8 | 12 | ||
| Age | ||||
| ≤58 years | 6 | 5 | 4.200 (0.590–30.100) | 0.197 |
| >58 years | 2 | 7 | ||
| Gender | ||||
| Male | 6 | 9 | 1.000 (0.130–7.890) | 1.000 |
| Female | 2 | 3 | ||
| Mitotic index | ||||
| ≤5 per 50 HPF | 3 (1a) | 11 | 0.056 (0.004–0.663) | 0.018 |
| 6–10 per 50 HPF | 5 (3a) | 1 (1a) | ||
| Ki67 index | ||||
| ≤5% | 4 | 9 | 0.330 (0.050–2.240) | 0.356 |
| >5% | 4 | 3 | ||
a
The distribution of 5 patients that experienced recurrence. OR, odds ratio; CI, confidence interval; GISTs, gastrointestinal stromal tumors; HPF, high power fields.