Table 6.

Multivariate logistic regression analysis of demographic, therapeutic, and histopathologic parameters between Groups 1 and 3.

Parameter	B	Sig	Exp(B)	95% C.I. for EXP(B)
CEA (continuous)	0.052	0.006	1.053	1.015–1.093
Tumor size (cm) (continuous)	0.155	0.009	1.168	1.040–1.311
No NACT (ref.)		0.134	1
No response to NACT	22.897	0.999	8,788,932,664.350	0.000–
Partial response to NACT	0.842	0.021	2.320	1.137–4.734
Complete response to NACT	− 0.396	0.707	0.673	0.086–5.296
ER-negative (ref.)		0.028	1
ER(+)	− 0.632	0.086	0.531	0.258–1.094
ER(++)	− 0.490	0.154	0.613	0.312–1.202
ER(+++)	− 0.841	0.004	0.431	0.245–0.759
N0 (ref.)		< 0.001	1
N1	0.200	0.521	1.221	0.663–2.249
N2	1.118	0.001	3.058	1.591–5.878
N3	1.291	< 0.001	3.635	1.790–7.379
No local recurrence (ref.)		0.052	1
Recurrence in the opposite breast	0.578	0.316	1.782	0.575–5.519
Locoregional recurrence	1.283	0.024	3.609	1.188–10.964
Constant	− 2.736	< 0.001	0.065

NACT neoadjuvant chemotherapy, N nodal involvement.