Table 4.

Multiple linear regression analysis of the relevant factors on breast cancer TVDT (n=69).

Factors	Regression coefficient	Standard error	t value	P value
Constant	3.514	2.574	1.216	0.221
NPI	−0.468	0.234	6.238	0.021
Axillary lymphatic metastasis	−0.132	0.059	4.543	0.034
Ki-67	−0.171	0.087	6.327	0.019
Molecular subtyping	−0.189	0.129	8.502	0.002