Table 3.

Logistic regression analysis to identify risk factors in IMPC of the breast in training cohort

Variables	β	Odds Ratio (95% CI)	p
Age at diagnosis	−1.389	0.249 (0.097 to 0.638)	0.004
Ethnicity	−0.194	0.823 (0.457 to 1.483)	0.517
Gender	−2.552	0.078 (0.003 to 1.863)	0.115
Laterality	−0.414	0.661 (0.330 to 1.323)	0.242
Tumor size(cm)	−3.462	0.031 (0.009 to 0.108)	<0.001
ER status	1.659	5.254 (0.392 to 19.834)	0.014
PR status	−0.435	0.647 (0.237 to 1.768)	0.396
Histological grade	−0.414	0.982 (0.565 to 1.707)	0.949
Stage	8.131	3396.518 (604.285 to 19,090.876)	<0.001

Β is the regression coefficient. ER estrogen receptor, PR progesterone receptor