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Association of PDL1 expression on tumors by IHC with certain KIR/KIR–ligand genotypes
| KIR genotype | PDL1− n | PDL1+ n | p value* |
|---|---|---|---|
| Haplotype | |||
| Haplotype-A | 35 | 2 | 0.03 |
| Haplotype-B | 50 | 15 | |
| KIR2DS2 | |||
| 2DS2+ | 35 | 12 | 0.03 |
| 2DS2- | 50 | 5 | |
| KIR2DL2 | |||
| 2DL2+ | 36 | 12 | 0.04 |
| 2DL2- | 48 | 5 | |
* Fisher’s exact tests or Chi-square tests were used to assess the association between KIR/KIR–ligand genotype and histological markers
