BMC Surgery

Table 1 Comparison of patient and tumor characteristics between the BCT and non-BCT group

From: Breast conserving therapy for central breast cancer in the United States

	BCT group		Non-BCT group		P-value
	No	%	No	%
Years at diagnosis					< 0.001
2010	570	14.70	859	17.80
2011	598	15.50	745	15.40
2012	627	16.20	868	18.00
2013	619	16.00	836	17.30
2014	681	17.60	779	16.10
2015	775	20.00	745	15.40
Age					< 0.001
< 45	249	6.40	717	14.80
45–59	1331	34.40	1861	38.50
60–79	2290	59.20	2254	46.60
Race					< 0.001
White	3165	81.80	3711	76.80
Black	349	9.00	474	9.80
Others	356	9.20	647	13.40
Marital					0.439
Married	2370	61.20	2911	60.20
Single	577	14.90	767	15.90
Divorced	923	23.90	1154	23.90
Grade					< 0.001
Grade I	1037	26.80	780	16.10
Grade II	1908	49.30	2343	48.50
Grade III	918	23.70	1692	35.00
Grade IV	7	0.20	17	0.40
Stage					< 0.001
Stage I	2218	57.30	1311	27.10
Stage II	1439	37.20	2198	45.50
Stage III	213	5.50	1323	27.40
T stage					< 0.001
T1	2766	71.50	1924	39.80
T2	971	25.10	1961	40.60
T3	79	2.00	598	12.40
T4	54	1.40	349	7.20
N stage					< 0.001
N0	2810	72.60	2266	46.90
N1	917	23.70	1687	34.90
N2	107	2.80	560	11.60
N3	36	0.90	319	6.60
ER status					< 0.001
Negative	434	11.20	742	15.40
Positive	3436	88.80	4090	84.60
PR status					< 0.001
Negative	800	20.70	1263	26.10
Positive	3070	79.30	3569	73.90
HER-2 status					< 0.001
Negative	3350	86.60	3889	80.50
Positive	520	13.40	943	19.50

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ISSN: 1471-2482

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