Table 2.

Comparative characteristics of triple negative breast cancer and hormone positive breast cancer patients

Variables	Levels	Triple negative breast cancer, n (%)	Hormone positive breast cancer, n (%)
Age	mean ± SD	47.24 ± 11.5	49.27 ± 12.0
Histology	Ductal	46 (50.5)	45 (49.5)
	Others	3 (33.3)	6 (66.7)
	Total	49 (49.0)	51 (51.0)
Grade	II	9 (25.7)	26 (74.3)
	III	37 (66.1)	19 (33.9)
	UNK	3 (33.3)	6 (66.7)
	Total	49 (49.0)	51 (51.0)
Tumor size	T1	4 (57.1)	3 (42.9)
	T2/T3	26 (45.6)	31 (54.4)
	UNK	19 (52.8)	17 (47.2)
	Total	49 (49.0)	51 (51.0)
Nodes	Negative	23 (62.1)	14 (37.8)
	Positive	21 (42.0)	29 (58.0)
	UNK	5 (38.4)	8 (61.6)
	Total	49 (49.0)	51 (51.0)
Metastasis	Negative	23 (60.5)	15 (39.5)
	Positive	21 (42.8)	28 (57.2)
	UNK	5 (38.4)	8 (61.6)
	Total	49 (49.0)	51 (51.0)

UNK: Indicates missing data. SD: Standard deviation.