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Table 3 Relation between the change of CXCR4 expression with pathological response in tumor tissue sample from 48 cases of primary breast cancer

From: Decreased expression of C-erbB-2 and CXCR4 in breast cancer after primary chemotherapy

  

CXCR4 staining

   

Pathological change

Increased

Decreased

Unchanged

χ2

R

p

Class 1-3

1

2

9

   

Class 4

2

21

10

8.03

-0.312

0.037

  1. Pathologic response class 1-3 equals to Clinical responses (CR) and Pathologic response (PR), class 4 equals to SD.