Analysing breast cancer microarrays from African Americans using shrinkage-based discriminant analysis

Table 1 Number of cancer microarrays by gender and ethnicity

Cancer	Gender	Caucasians	African Americans	American Indians	Asians	Hispanics	Others	Unknown	Total
Breast	Female	310	20	6	3	4	4	1	348
	Male	5	0	0	0	0	0	0	5
	Total	315	20	6	3	4	4	1	353
Colon	Female	140	8	2	0	0	0	0	150
	Male	125	11	4	1	0	0	0	141
	Unknown	1	0	0	0	0	0	0	1
	Total	266	19	6	1	0	0	0	292
Kidney	Female	99	4	4	0	2	0	0	109
	Male	157	5	3	1	6	0	0	172
	Total	256	9	7	1	8	0	0	281
Lung	Female	51	1	1	1	0	0	1	55
	Male	74	0	1	1	1	0	0	77
	Total	125	1	2	2	1	0	1	132
Ovary	Female	188	5	0	4	1	0	1	199
Uterus	Female	129	3	1	1	1	0	0	135

The percentages of tumour samples from African-American women were 5.7 per cent, 5.3 per cent, 3.7 per cent, 1.8 per cent, 2.5 per cent and 2.2 per cent for breast, colon, kidney, lung, ovary and uterus, respectively, while the percentages of tumour samples from Caucasian women were 89.1 per cent, 93.3 per cent, 90.8 per cent, 92.7 per cent, 94.5 per cent and 95.6 per cent for breast, colon, kidney, lung, ovary and uterus, respectively

ISSN: 1479-7364