Figure 2.

Area under the receiver-operating characteristic curve (AUC) for the prediction of responses of Hospital Consumer Assessment of Healthcare Providers and Systems questions in the doctor domain. The performance of the random forest model is compared with the performance of the logistic regression model and decision tree model. The questions are the following: During your hospital stay, how often did doctors (A) treat you with courtesy and respect, (B) explain things in a way that you could understand, and (C) listen carefully to you?