Aggressive breast cancer in western Kenya has early onset, high proliferation, and immune cell infiltration

BMC Cancer

Table 1 Clinical characteristics of Western Kenya patient population

	Cancer		Not Cancer
	N	%	N	%
Cancer status
Cancer Tissue	68	100	0	0
Not Cancer Breast Tissue	0	0	89	87
Other Tissue	0	0	13	13
Total (N)	68		102
Gender
Male	4	7	6	8
Female	54	93	70	92
Total (N)	58		76
Age at diagnosis
<40 years	16	30	42	74
40-49 years	11	21	10	18
≥50 years	26	49	5	9
Total (N)	53		57
HER2 status
Positive	7	14
Negative	42	86
Total (N)	49
Estrogen receptor status
Positive	29	59
Negative	20	41
Total (N)	49
Progesterone receptor status
Positive	19	40
Negative	29	60
Total (N)	48
Triple negative (ER-, PR-, HER2-)	16	33
Total (N)	48
Status
Died	11	69
Alive	5	31
Total (N)	16
Tribe
Luyha	11	38
Kalenjin	10	34
Kikuyu	4	14
Luo	3	10
Teso	1	3
Total (N)	29
Hormone-based Contraception
Single agent (Injected or Pill)	11	50
Combined (Injected and Pill)	2	9
Neither	9	41
Total (N)	22
Marriage
Married or widowed	24	92
Not Married	2	8
Total (N)	26
Median age (years)	48.5 years (N = 38)		31 years old (N = 9)
Mean age (years)	51.9 years (N = 38)		35.6 years (N = 9)

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