Feature importance & performance of models for the choice of NVBG procedures
JIC classification was found to be an independent clinical predictor associated with the choice of procedures (Table 
Univariate and multivariate analysis for the choice of NVBG procedures in the training cohortCompared to the other two models, the C-R model had superior prediction performance, with an AUC of 0.860 (95%CI, 0.781–0.939) in the training cohort and 0.800 (95% CI, 0.620 to 0.980) in the validation cohort (
Performance of three models for predicting the choice of NVBG procedures
ROC curves (The nomogram of the C-R model showed that patients with higher Rad-scores and types C1 and C2 of JIC classification should choose the lightbulb procedure, whereas patients with lower Rad-scores should choose hip preservation with the Phemister procedure (Fig. 