Table 3. Results of the logistic regression for predicting good responses to NAC in model 1.

Characteristic	Odds ratio	95% CI	P values
Diameter	0.965	0.937–0.994	0.017
Breast cancer subtype			0.001
Luminal B/HER2+	1	reference
Luminal A	0.326	0.093–1.135	0.078
Luminal B/HER2−	0.383	0.126–1.163	0.090
HER2+/ER−	2.739	0.760–9.874	0.124
Triple-negative	2.200	0.600–8.074	0.234

NAC, neoadjuvant chemotherapy; CI, confidence interval; HER2, human epidermal growth factor receptor-2; ER, estrogen receptor.