Table 1.

Patient Characteristics.

Clinical/pathological Characteristics	Triple Negative BC(n = 849)
	Number	Proportion%
Age Median (range)	53(23–87)
≤50 ys	370	43.6
>50 ys	479	56.4
Menopausal status
premenopausal	398	46.9
postmenopausal	451	53.1
Tumor size
T1	380	44.8
T2	438	51.6
T3	17	2
Unknown	14	1.6
Grade
I-II	363	42.8
III	464	54.6
Unknown	22	2.6
Nodal status
Negative	551	64.9
Positive LVI1	298	35.1
Negative	663	78.1
Positive	186	21.9
Chemotherapy
Yes	795	93.6
No	38	4.5
Unknown	16	1.9
Surgery
BCS2 + RT3	145	17.1
Radical Mastectomy	627	73.9
Mastectomy	40	4.7
Other	37	4.3

¹LVI: lymphvascular invasion.

²BCS: breast conserving surgery.

³RT: radiotherapy.