A Deep Belief Network and Dempster-Shafer-Based Multiclassifier for the Pathology Stage of Prostate Cancer

Table 5

Results of a DBN-DS confusion matrix comparing the training and validation sets.

	Variable	Training set			Validation set
		Sensitivity	Specificity	Accuracy	Sensitivity	Specificity	Accuracy
DBN#1	Initial PSA	38.57%	91.39%	70.78%	41.93%	88.68%	70.60%
DBN#2	Gleason score	32.51%	89.18%	67.26%	37.00%	88.47%	68.56%
DBN#3	Clinical T stage	21.19%	94.20%	65.96%	26.23%	93.85%	67.69%
DBN#1, DBN#2	Initial PSA, Gleason score	41.48%	93.71%	73.50%	41.48%	93.00%	73.07%
DBN#1, DBN#3	Initial PSA, Clinical T stage	40.02%	94.55%	73.46%	40.02%	93.85%	73.03%
DBN#2, DBN#3	Gleason score, Clinical T stage	34.19%	94.91%	71.42%	34.19%	93.49%	70.56%
DBN#1, DBN#2, DBN#3 (proposed)	Initial PSA, Gleason score, Clinical T stage	65.13%	94.29%	82.60%	61.77%	93.56%	81.27%