Final Gleason Score Prediction Using Discriminant Analysis and Support Vector Machine Based on Preoperative Multiparametric MR Imaging of Prostate Cancer at 3T

Table 2

The scores calculated by SVM-RFE in three iterations.

	1st iteration	2nd iteration	3rd iteration
Age	32.94	35.2	—
DRE	21.65	—	—
PSA	18451.23	18807.95	18992.86
The size of lesion	881.93	900.45	930.07
T2w-MRI Likert scale	2899.26	3029.82	3179.27
DW-MRI Likert scale	4055.23	4232.81	4423.32
DCE-MRI Likert scale	3857.99	4027.87	4242.97

The eliminated features are marked as bold, which are then not included in the subsequent iterations.