The Clinicopathological Features and Prognostic Significance of HER2-Low in Early Breast Tumors Patients Prognostic Comparison of HER-Low and HER2-Negative Breast Cancer Stratified by Hormone Receptor Status

Table 1

General overview of the clinicopathological features according to HER2-low and HER2-negative subtypes belonging.

	HER2 status
	HER2 low (%)	HER2 negative (%)
Age			0.3
<50yo	46.4	47.4
>50yo	53.6	52.6
SBR grade			<0.001
I	38.8	18.0
II	38.2	49.8
III	19.8	28.7
NA	3.1	3.4
Tumor size			<0.001
T0	0.0	0.5
T1	17.4	21.8
T2	29.4	41.6
T3	8.0	7.8
T4	1.3	7.3
TX	43.8	21.1
Lymph node			<0.001
N+	45.1	51.0
N0	36.6	40.7
NX	18.4	8.3
Tumor stage			<0.001
I	8.7	10.9
II	17.8	32.4
III	20.0	28.3
IV	1.0	3.0
NA	52.4	25.4
ER			0.2
Negative	19.2	20.3
Positive	80.8	79.7
PR			0.1
Negative	24.1	26.9
Positive	75.9	72.9
NA	0.0	0.2
Ki67			<0.001
<20%	32.5	38.4
>20%	57.5	45.6
NA	10.0	16.0

The values in bold presented in Table 1 indicate that the p value is less than 0.05.