Table 2.

Incidence of HER2 amplification by gender, race, and gender location

Characteristic		HER2-amplified cases	Total cases	Incidence of HER2 amplification (%)
Overall		123	4823	2.6
Gender	Male	82	2683	3.1
	Female	41	2140	1.9
Race	Asian	9	228	3.9
	Black	9	298	3.0
	Caucasian	57	2118	2.7
Cancer location	Colon	61	2360	2.6
	Rectum	26	1015	2.6

Abbreviation: HER2, human epidermal growth factor receptor-2.