Table 2.

Univariate and multivariate analyses for the predictive factors of pathological complete response.

Variables	Comparison for OR	Univariate analysis (n = 111)				Multivariate analysis (n = 111)
		OR	95% CI		p value	OR	95% CI		p value
EPIC1	High versus low expression	0.727	0.298	1.774	0.484	0.278	0.082	0.935	0.039
Age	⩾50 versus <50 years	1.512	0.671	3.410	0.319	0.679	0.227	2.031	0.489
T stage	T3–T4 versus T2	0.364	0.136	0.976	0.045	0.241	0.071	0.814	0.022
N stage	N1–N3 versus N0	0.795	0.210	3.007	0.736	0.495	0.085	2.896	0.435
ER status	Positive versus negative	0.179	0.077	0.418	<0.001	0.132	0.039	0.446	0.001
PR status	Positive versus negative	0.480	0.214	1.079	0.076	1.088	0.345	3.431	0.886
HER2 status	Positive versus negative	3.636	1.606	8.232	0.002	6.482	2.254	18.639	0.001
Ki67 index	⩾20% versus <20%	2.313	0.466	11.471	0.305	1.230	0.171	8.833	0.837

Bold numerals indicate statistical significance.

CI, confidence interval; ER, estrogen receptor; HER2, human epidermal growth factor receptor 2; N stage, nodal stage; OR, odds ratio; PR, progesterone receptor; T stage, tumor stage.