Table 1: Characteristics of the patients.

(%)

Age (years)
 <504529.6
 50–593925.6
 ≥606844.7
Menopausal status
 Before menopause3623.6
 After menopause11676.4
Tumor size
 pT113387.5
 pT21912.5
Estrogen receptor
 Positive14092.1
 Negative127.9
Progesterone receptor
 Positive14092.1
 Negative127.9
Grading
 G1149.2
 G27951.9
 G35938.8