Table 7. Logistic regression results of multiple factors impacting the efficacy of neoadjuvant chemotherapy.

Variables	β	Wald	P	OR	OR 95% CI
Tumor size			0.155
>5cm				1
2–5cm	0.907	1.280	0.258	2.477	0.515–11.925
≤2cm	0.097	0.012	0.911	1.102	0.201–6.055
Lymph node metastasis	−4.210	16.863	0.000	0.015	0.002–0.111
The expression level of PR	0.049	0.015	0.902	1.051	0.477–2.314
The expression level of Ki-67	1.803	5.634	0.018	6.071	1.369–26.915