Table 6 Correlation between PD-1/PD-L1 status in metastatic lymph node (LN) and clinicopathological characteristics.

From: Expression of PD-1/PD-L1 in primary breast tumours and metastatic axillary lymph nodes and its correlation with clinicopathological parameters

 

PD-1(LN)

PD-L1(LN)

ER(MLN)

r

0.39

0.25

p

0.724

0.630

PR(MLN)

r

1.21

0.23

p

0.403

0.766

HER-2(MLN)

r

0.55

0.85

p

0.561

0.436

EGFR(MLN)

r

1.33

0.002

p

0.416

1.000

Ki-67(MLN)

r

3.53

4.36

p

0.082

0.048*

Age

r

0.18

4.35

p

0.773

0.046*

TNM stage

r

0.17

6.50

P

0.772

0.012*

Histology grade

r

5.87

0.92

p

0.029*

0.428

Metastatic LN number

r

0.43

8.92

p

0.524

0.002*

LVI

r

1.21

0.12

p

0.318

1.000

  1. chi-square test was used for correlation analysis. Significant P-value is indicated by asterisk (*).
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