Table 5. Clinical characteristics of IDC patients.

Parameter	n
Age (yr)
Media (range)	55 (20–83)
Pathology typing
I	36
II	150
III	100
Tumor size (cm)
< 2	66
≥ 2	220
Axillary lymph node
N0	180
NX	106
ER expression
Negative	118
Positive	168
PR expression
Negative	124
Positive	162
Her-2 expression
Negative	110
Positive	176
Ki-67 expression
Low	112
High	174
Molecular typing
Luminal A	95
Luminal B	105
Her-2 positive	46
Basal-like	40
Five-year survival
Yes	238
No	48