Table 1.

Summary of commercially available prognostic tests

	Oncotype DX	MammaPrint	Prosigna	EndoPredict	Breast Cancer Index	CanAssist Breast
No. of genes used	21	70	50	8	7	5 biomarkers
Proliferation genes included	Yes	Yes	Yes	Yes	No	No
Method	qPCR	DNA microarray	NanoString	qPCR	qPCR	IHC
Clinical parameters	No	No	No	Tumor size, node status	No	Tumor size, node status, and tumor grade
Presence of intermediate zone	Yes	No	Yes	No	No	No
Prediction of chemotherapy benefit	Yes	No	No	No	No	Yes