Table 3.

Patient characteristics and treatment after exact matching.

	AdjC		NAC
	N = 3256	(%)	N = 3256	(%)
Age
−65	2580	79.2	2580	79.2
66-70	399	12.3	399	12.3
71-	277	8.5	277	8.5
BMI >25.0	723	22.2	723	22.2
cT2-	2281	70.1	2281	70.1
cN1-	1165	35.8	1165	35.8
Histology
IDC	2946	90.5	2946	90.5
Medullary or adenoid cystic carcinoma	32	1.0	32	1.0
Others	278	8.5	278	8.5
ER 0 % and PgR 0 %	2835	87.1	2835	87.1
Chemotherapy
Anthracyclin-taxane	2311	71.0	2311	71.0
Anthracyclin	553	17.0	553	17.0
Taxane	328	10.1	328	10.1
Others	64	2.0	64	2.0
Breast surgery
Bt	1653	50.8	1653	50.8
Bp	1583	48.6	1583	48.6
Other	20	0.6	20	0.6
Radiotherapy	1688	51.8	1688	51.8
Annual breast cancer surgeries per facilities <100	1108	34.0	1108	34.0
Invasive diameter
0 cm	1	0.0	601	18.5
0.1–2.0 cm	1261	38.7	1369	42.0
2.1–5.0 cm	1724	52.9	639	19.6
5.1 cm-	251	7.7	194	6.0
Missing	19	0.6	453	13.9
Node metastases
None	1843	56.6	2455	75.4
1–3 nodes	913	28.0	460	14.1
4–9 nodes	288	8.8	121	3.7
10 nodes or more	174	5.3	67	2.1
Missing	38	1.2	153	4.7
NG (postoperative) (y = 2013–2016)
NG 1	152	4.7	314	9.6
NG 2	502	15.4	546	16.8
NG 3	1788	54.9	970	29.8
Not tested or unknown	129	4.0	1098	33.7
Missing	685	21.0	328	10.1
Margin (y = 2014–2016)
Negative	1734	53.3	2057	63.2
Positive	92	2.8	50	1.5
Unknown	68	2.1	175	5.4
Missing	1362	41.8	974	29.9
Axillary surgery
None	40	1.2	157	4.8
SN	1596	49.0	1603	49.2
Ax	1563	48.0	1431	43.9
Sampling	52	1.8	51	1.6
Others or unknown	5	0.1	14	0.4