Table 5. Predictors of ypT0 in the breast after completion of NCT.

Parameters	Odds ratio	95% CI	P-value
Breast cancer subtype			0.098
HRs+/HER2-	Ref
HRs+/HER2+	0.70	0.16–3.00	0.633
HRs-/HER2+	0.97	0.26–3.54	0.958
HRs-/HER2-	4.23	1.11–16.09	0.034
MMG presentation of the main lesion
Mass or undetected	Ref
Microcalcifications ± mass	0.29	0.03–2.51	0.263
MMG associated microcalcifications
Absent	Ref
Present	0.84	0.13–5.60	0.855
US shape			0.370
Irregular	Ref
Oval	1.11	0.39–3.17	0.846
Round	5.83	0.49–69.80	0.164
US posterior features			0.543
No posterior features	Ref
Shadowing	1.40	0.38–3.17	0.846
Enhancement	1.92	0.60–6.21	0.275
US calcification
No	Ref
Yes	1.34	0.22–8.27	0.751
MRI presentation of the main lesion
Mass	Ref
Non-mass enhancement	1.18	0.32–4.31	0.807
MMG after NCT
Residual disease	Ref
Complete response	0.90	0.20–4.06	0.890
US after NCT
Residual disease	Ref
Complete response	2.69	0.79–9.19	0.114
MRI after NCT
Residual disease	Ref
Complete response	5.23	1.53–17.85	0.008

CI, confidence interval; Ref, reference; MMG, mammography; US, ultrasound; MRI, magnetic resonance imaging.