Table 3.

Comparison between original reads and digital imaging analysis’ reads of estrogen receptor immunohistochemistry in 3 categories (ER >10%, ER 1–10%, and ER <1%).

		Original read						Total
		ER >10%		ER 1–10%		ER <1%
Total		62		11		24		97
VIS read	ER >10%	61	98.4%	3	27.3%	0	0.0%	64
	ER 1–10%	1	1.6%	5	45.5%	3	12.5%	9
	ER <1%	0	0.0%	3	27.3%	21	87.5%	24