Table 4.

Proliferation cell index (Ki‐67) according clinical characteristics

Variables	Yes Median	No Median	P
Gestation	24	25	0.73
Parity	28.5	21	0.76
Breastfeeding	21	29	0.63
Number of nodules (1 = Yes; 2 = No)	24	25	0.39
Familial history of breast cancer	45	22	0.06
Tabagism	21	27	0.55
Overweight	21	28	0.32
Race (White = Yes; Not white = No)	24	24	0.59
Abortion	18	24	0.07