Table 1.

Age and menopausal status statistics; the data are provided for individual breast cancer subgroups (LUMINAL, HER2-positive and TN—triple-negative) and the group comprising breast cancer-free individuals; age mean differences are statistically non-significant

Menopausal status	BC subtype			BC-free, patient number
	LUMINAL, patient number	HER2, patient number	TN, patient number
Premenopausal	5	2	7	38
Postmenopausal	46	11	11	35
Patients’ age mean (min-max) years	61.84 (36–85)	61.85 (46–85)	54.11 (33–77)	50.19 (19–89)