. 2004 Feb;6(1):42–51. doi: 10.1016/S1525-1578(10)60490-4

Table 4.

Comparison of IHC and Real-Time LightCycler PCR Analysis of HER-2 Status in 30 Breast Tumors

	IHC 3+	IHC 2+	IHC negative*	Total
HER-2 gene amplification^†	8	5	1	14
HER-2 gene non-amplification^‡	0	3	13	16
Total	8	8	14	30

IHC cases scoring 0 and 1.

^†

HER-2 ratio ≥ 2.0.

^‡

HER-2 ratio < 2.0.