Table 2.

Patient's characteristics according to subtypes

Characteristics	Luminal		HER2		Triple neg		p value
	n	%	n	%	n	%
Median age at diagnosis	73 years (range 65–92)		73 years (range 65–94)		72 years (range 65–87)		0.592
Age group
Young-old	246	62.6	72	60.5	42	71.2
Old–old	129	32.8	41	34.5	12	20.3	0.276
Oldest-old	18	4.6	6	5.0	5	8.5
p53-positive	54	13.7	37	31.1	33	55.9	<0.001
Grade 3	69	17.6	60	50.4	35	59.3	<0.001
Stage IV at first diagnosis	21	5.3	18	15.1	6	10.2	0.009
Metastases	57	14.5	43	36.1	15	25.4
Visceral metastases	33	57.9	32	74.4	11	73.3	0.184
Non-visceral	24	42.1	11	25.6	4	26.7
BM	6	1.5	9	7.6	2	3.4	0.003
Overall survival from first diagnosis	95 months (range 92–116)		88 months (range 75–106)		204 months (range 94–155)		0.058