Table1.

Comparison of patients‿characteristics between chemotherapy and non-chemotherapy

	No. of chemotherapy	No. of non-chemotherapy	P
All	n=29	n=79
Age, years			0.098
<40	8	11
≿0	21	68
Abortion			0.218
Yes	21	47
No	8	32
Menopause			0.024
Yes	8	41
No	21	38
Family history			0.948
Yes	9	24
No	20	55
Max diameter			0.378
~2	11	29
2-5	14	38
5~	0	6
Unknown	4	6
Grade			0.265
G1	9	38
G2-G3	2	3
Unknown	18	38
Necrosis			0.948
Yes	9	24
No	20	55
Lymph nodes			0.266
Positive	1	8
Negative	28	71
ER			0.018
Positive	16	24
Negative	13	55
PR			0.443
Positive	13	29
Negative	16	50
ER/PR			0.172
ER(+)/PR(+)	5	69
ER(-) PR(-)	24	10
Her2			0.219
-/1+/2+	22	50
3+	7	29
Ki-67			0.187
≿0%	11	45
>20%	17	35
P53			0.102
Positive	11	44
Negative	18	35