Table 2.

Correlation between immunohistochemical factors and clinical features

	Sex		p	Recurrence		p	Localization		p	Age	p
	Female n = 36	Male n = 5		Yes n = 5	No n = 23		Extra-mammary n = 22	Mammary n = 19		Mean (years)
CTLA-4
Yes (n = 9)	9	0	0.5	4	5	0.9	5	4	0.9	66.6	0.5
No (n = 32)	27	5		1	18		17	15		70
CD3 intra-epithelial
2–3 (n = 1)	1	0	0.9	0	0		1	0	0.9	77	0.5
0–1 (n = 40)	35	5		5	23		21	19		69.1
CD3 sub-epithelial
2–3 (n = 27)	23	4		1	15	0.9	14	13		70	0.6
0–1 (n = 14)	13	1	0.6	4	8		8	6	0.9	68