Table 3.

Concordance of breast cancer subtypes when cancer Ki-67 expression is assessed with IHC and MKI67 mRNA expression with RT-qPCR

	RT-qPCR-based
	Luminal A		Luminal B		HER2 pos		TNBC		Total
	N	(%)	N	(%)	N	(%)	N	(%)	N	(%)
IHC-based
Luminal A	102	65.4	75	25.5	12	6.8	0	0.0	189	26.3
Luminal B	48	30.8	180	61.2	17	9.7	6	6.5	251	34.9
HER2 pos	5	3.2	12	4.1	140	79.6	6	6.5	163	22.7
TNBC	1	0.6	27	9.2	7	4.0	81	87.1	116	16.1
Total	156	100.0	294	100.0	176	100.0	93	100.0	719	100.0