The Dialogue for Reverse Engineering Assessments and Methods (DREAM) model was used to train data from randomized clinical trials. EHR indicates electronic health record; PSA, prostate-specific antigen; and RCT, randomized clinical trial. A, Racial differences in comorbidity score, RCT-trained model. B, Racial differences in comorbidity score, best-performing EHR-trained model. C, Racial differences in PSA values, RCT-trained model. D, Racial differences in PSA values, best-performing EHR-trained model.