Table 3.

Comparisons between the abnormal and normal data sets

Data set	Percentage of Cases in which a Hessian Matrix Analysis was applied	# of erosion operations			# of Erosion operations after applying Hessian matrix analysis
		Max	Min	Ave	Max	Min	Ave
Abnormal	23.3 % (7/30)	9	2	5.2	6	3	4.7
Normal	21.4 % (3/14)	6	2	4.1	5	4	4.7
Total	22.7 % (10/44)	9	2	4.8	6	3	4.7