Triple negative breast carcinoma is a prognostic factor in Taiwanese women

BMC Cancer

Table 1 Descriptive statistics of women with breast cancer according to tumor subgroup

Features		Total (n)	Tumor subgroup		p-value
			TNBC (n = 167)	non-TNBC (n = 881)
Age, years (SD)			51.97 (13.04)	51.73 (11.79)	0.81
Tumor size, cm (%)
	<2.0	446	46.1	46.3	0.9651
	≥2.0	517	53.9	53.7
	Other or Unknown	85
Lymph node (%)
	Negative	553	70.1	54.8	0.0004*
	Positive	413	29.9	45.2
	Other or Unknown	82
Number of axillary lymph nodes involved (n)
	1–3	210	45.7	51.8	0.6848
	4–9	122	34.8	29.0
	10+	79	19.6	19.2
Average number of axillary lymph nodes involved per node-positive patient			6.17 (5.91)	6.19 (7.92)	0.99
Metastasis (%)
	No	938	96.8	97.8	0.4781
	Yes	23	3.2	2.2
	Unknown	87
Metastasis site (n)
	Bone	9	1	8
	Lung	1	1	0
	Liver	2	0	2
	Other	2	0	2
	Multiple	5	1	4
	Unknown	4	2	2
Grade (%)
	I ~II	693	43.4	73.8	<0.0001
	III	311	56.6	26.2
	Unknown	44
Stage
	< II	315	35.1	32.7	0.5622
	≥ II	638	64.9	67.3
	Unknown	95
Estrogen receptor (ER)
	Negative	369	100	23
	Positive	675	0	77
Progesterone receptor (PR)
	Negative	383	100	25
	Positive	661	0	75
Her2/neu gene (HER2) overexpression
	Negative	789	100	71
	Positive	259	0	29
Histological types
	Infiltrating duct carcinoma, NOS	939	91.6	89.2
	Lobular Carcinoma, NOS	24	0	2.7
	Mucinous adenocarcinoma	24	0	2.7
	Infiltrating duct mixed with other types of carcinoma	18	1.8	1.7
	Others	43	6.6	3.6

ISSN: 1471-2407