Figure 3

Receiver operating characteristic (ROC) curve analysis for multiple variables. The model 4: LT-a grading + Congestion score + Pterygium size. The diagnostic model fitted after multiple logistic regression has higher diagnostic efficiency.
Receiver operating characteristic (ROC) curve analysis for multiple variables. The model 4: LT-a grading + Congestion score + Pterygium size. The diagnostic model fitted after multiple logistic regression has higher diagnostic efficiency.