Table 2 Sensitivity, specificity, and positive and negative predictive values for evaluating GISTs risk category using TIPE2 IHC expression
IHC scores | Sensitivity | 95% CI | Specificity | 95% CI | PPV | 95% CI | NPV | 95% CI | Significance |
|---|---|---|---|---|---|---|---|---|---|
≤ 2 | 74.67 | 63.3–84.0 | 71.43 | 47.8–88.7 | 90.3 | 80.1–96.4 | 44.1 | 27.2–62.1 | High risk prediction |