Figure 4From: Early prediction of response to radiotherapy and androgen-deprivation therapy in prostate cancer by repeated functional MRI: a preclinical studyPrediction of treatment response using apparent diffusion coefficients from diffusion-weighted MRI. The root mean square error (RMSE) plot visualizes the performance of the training, validation and test data (A). By using apparent diffusion coefficients (ADC), tumor volumes (V), prostate-specific antigen (PSA) and treatment groups as inputs to the back propagation neural network (BPNN) a correlation coefficient of 0.54 (p < 0.001) was found between predicted and measured treatment response (V30) (B).Back to article page