Model evaluation
gastric GISTs, Confusion
REGRESSION
Results of diagnostic performance of LR, DT and GBDT are described in Table 
Diagnostic performance analysis of LR, DT and GBDT modelsLR, Logistic regression; DT, Decision tree; GBDT, Gradient boosting decision tree; AUC, area under the curve; CI, confidence interval, NPV, negative predictive value; PPV, positive predictive value
Receiver operating characteristic (ROC) curves of three models to predict the risk stratification of gastric GISTs. (
Confusion matrixes of LR (