Survival Analysis Based on Clinicopathological Data from a Single Institution: Chemotherapy Intensity Would Be Enhanced in Patients with Positive Hormone Receptors and Positive HER2 in China Who Cannot Afford the Target Therapy

Table 1

Clinicopathological subtypes definitions.

Parameters	Clinical-pathologic definition
Luminal A	ER and/or PgR positive and HER2 negative and Ki-67 low (<14%)
Luminal B
HER2 negative	ER and/or PgR positive and HER2 negative and Ki-67 high (≥14%)
HER2 positive	ER and/or PgR positive and Any Ki-67 and HER2 overexpressed or amplified
HER2 overexpression	HER2 overexpressed or amplified and ER and PgR absent
Triple negative	ER and PgR absent and HER2 negative