NGF and interstitial cystitis: The results showed that the AUC of the random forest was 1.000, the AUC of age was 0.587, the AUC of CD117 was 0.718, the AUC of P2X3R was 0.942, the AUC of NGF was 0.798, and the AUC of TrkA was 0.790 (Fig. 7B), as can be seen from Table 5, The use of random forest models to predict the prognosis of patients with interstitial cystitis after bladder water dilation surgery has high accuracy.