Table 1 Comparison of PD-L1 positivity between biopsy and resected specimens

From: Can PD-L1 expression evaluated by biopsy sample accurately reflect its expression in the whole tumour in gastric cancer?

 

Resected specimen

 
 

Positive (≧1%)

Negative (<1%)

Total

Biopsy specimen

   

 Positive (≧1%)

78

11

89

   Negative (<1%)

57

45

102

 Total

135

56

191

Accordance rate (%)

 

64.4

 

Kappa coefficient (value)

 

0.31

 
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