Table 4.

Patient and Treatment Characteristics in TNBC T1-2N0 Tumors Stratified by BCT and MRM

Characteristic	BCT		MRM		P
	No.	%	No.	%
Total patients	233	49.8	235	50.2
Age at diagnosis, years					.20
Median	53		55
Range	26-83		27-89
Tumor grade					.72
1-2	42	18.0	47	20.0
3	191	82.0	188	80.0
LVI					.73
Negative	186	80.0	183	78.0
Positive	47	20.0	52	22.0
Adjuvant chemotherapy					.90
No	152	65.0	155	66.0
Yes	81	35.0	80	34.0

Abbreviations: BCT, breast-conserving therapy; MRM, modified radical mastectomy; LVI, lymph vascular invasion; TNBC, triple-negative breast cancer.