TABLE 1.

Patient characteristics.

Label	Variable	Value
Age at the inclusion (years)	Min/Max	19/93
	Med [IQR]	54.0 [44.8–65.3]
	Mean (std)	54.9 (15.9)
	N (NA)	148 (0)
Age of first menstruation (years)	Min/Max	9/19
	Med [IQR]	13 [12–14]
	Mean (std)	12.8 (1.7)
	N (NA)	129 (19)
Age at first child (years)	Min/Max	16/42
	Med [IQR]	26 [23–29]
	Mean (std)	26.4 (5.2)
	N (NA)	108 (40)
Menopause	No	N (%) = 64 (45.1)
	Yes	N (%) = 78 (54.9)
	NA	N = 6
HRT	No	N (%) = 60 (76.9)
	Yes	N (%) = 18 (23.1)
	NA	N = 70
Duration of HRT (years)	Min/Max	0.25/20
	Med [IQR]	10 [5–10]
	Mean (std)	8.9 (5.6)
	N (NA)	15 (133)
BMI	Min/Max	17.3/93.5
	Med [IQR]	24.5 [22.2–28.5]
	Mean (std)	26.1 (8.2)
	N (NA)	143 (5)
Breast density	A–B	N (%) = 45 (32.1)
	C–D	N (%) = 95 (67.9)
	NA	N = 4
First degree family history of breast cancer	No	N (%) = 121 (83.5)
	Yes	N (%) = 24 (16.5)
	NA	N = 3
History of breast surgery or biopsy	No	N (%) = 66 (45.5)
	Yes	N (%) = 79 (54.5)
	NA	N = 3

Abbreviations: BMI, body mass index; HRT, hormonal replacement therapy.