Table 1.

Demographic and clinical data of the patients.

	Malignant lesions	Benign lesions
Age [mean (range)]	55.2 (39–88)	44.8 (23–71)
Menarche [age, mean (range)]	12.1 (11–16)	12.88 (10–16)
Menopause [age, mean (range)]	51.32 (41–56)	50.6 (42–55)
Lactation (% of positive answer)	35.53%	37.78%
Hereditary breast cancer (% of positive family history)	<5%	<5%