Table 2 Sensitivity, specificity, positive and negative predictive values, and accuracy of the mean (T mean ) and standard deviation (T SD ) of the brightness values that differentiate gastrointestinal stromal tumor (GIST) from non-GIST mesenchymal tumors in the stomach
Predicting GIST | Sensitivity, % (95% CI) | Specificity, % (95% CI) | PPV, % (95% CI) | NPV, % (95% CI) | Accuracy, % (95% CI) |
|---|---|---|---|---|---|
Tmeanāā„ā65 | 86.0 (72.6-93.7) | 93.3 (66.0-99.7) | 97.7 (86.5-99.9) | 66.7 (66.7-43.1) | 87.7 (76.6-94.2) |
TSDāā„ā75 | 90.0 (77.4-96.2) | 80.0 (51.4-94.7) | 93.8 (81.8-98.4) | 70.6 (44.0-88.6) | 87.7 (76.6-94.2) |
Of the above 2 features | Ā | Ā | Ā | Ā | Ā |
āā„ 1 | 94.0 (82.5-98.4) | 80.0 (51.4-94.7) | 94.0 (82.5-98.4) | 80.0 (51.4-94.7) | 90.8 (80.3-96.2) |
āBoth | 82.0 (68.1-91.0) | 93.3 (66.0-99.7) | 97.6 (86.0-99.9) | 61.0 (38.8-79.5) | 84.6 (73.1-91.2) |