Table 1.

Relationship between immunohistochemical and PCR results of PD-L1 or PD-L2 expression

Real-time PCR
Real-time PCR
PD-L1*
PD-L2
ImmunohistochemistryPositiveNegativeTotalPositiveNegativeTotal
Positive1031312315
Negative5131831316
Total151631151631
  • * P = 0.019.

  • P = 0.002 (χ2 test).