Datamining Approach for Automation of Diagnosis of Breast Cancer in Immunohistochemically Stained Tissue Microarray Images

Table 4: Results of Sensitivity, Specificity, Positive Predictive Accuracy and Negative Predictive Accuracy of Classification of ER and HER-2/neu Expression Images

	True Positive	True Negative	False Positive	False Negative	Sensitivity (%)	Specificity (%)	Positive Predictive Value (%)	Negative Predictive Value (%)
ER expression	24	41	3	2	92.31	93.18	88.89	95.35
HER-2/neu expression	29	30	4	1	96.67	88.24	87.88	96.77