Table 2. Summary of twelve SNPs and response to chemotherapy and overall survival.
ID No.a | Gene | location | Alleles | CR (%) | MAF | HWP | P for responseb | P for overall survivalc | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
dominant | recessive | additive | dominant | recessive | additive | |||||||
rs2297136 | PD-L1 | 3′UTR | TC | 99.2 | 0.16 | 0.35 | 0.01 | 0.20 | 0.01 | 0.02 | 0.15 | 0.01 |
rs4143815 | PD-L1 | 3′UTR | CG | 96.6 | 0.40 | 0.67 | 0.21 | 0.01 | 0.02 | 0.47 | 0.18 | 0.23 |
rs822336 | PD-L1 | promoter | GC | 99.5 | 0.26 | 0.73 | 0.67 | 0.11 | 0.31 | 0.68 | 0.95 | 0.72 |
rs822337 | PD-L1 | promoter | TA | 96.6 | 0.34 | 0.88 | 0.75 | 0.16 | 0.36 | 0.30 | 0.27 | 0.19 |
rs822338 | PD-L1 | intron | CT | 98.9 | 0.44 | 0.60 | 0.87 | 0.35 | 0.67 | 0.56 | 0.34 | 0.35 |
rs36084323 | PD1 | promoter | GA | 97.6 | 0.47 | 0.31 | 0.13 | 0.19 | 0.08 | 0.99 | 0.42 | 0.62 |
rs2227982 | PD1 | missence | CT | 98.9 | 0.46 | 0.15 | 0.20 | 0.09 | 0.07 | 0.96 | 0.53 | 0.74 |
rs10204525 | PD1 | 3′UTR | AG | 99.2 | 0.25 | 0.38 | 0.33 | 0.09 | 0.15 | 0.76 | 0.60 | 0.66 |
rs231775 | CTLA-4 | missence | GA | 99.2 | 0.28 | 0.52 | 0.97 | 0.26 | 0.61 | 0.71 | 0.93 | 0.80 |
rs5742909 | CTLA-4 | promoter | CT | 97.9 | 0.12 | 0.26 | 0.41 | 0.58 | 0.58 | 0.98 | 0.11 | 0.74 |
rs733618 | CTLA-4 | promoter | AG | 98.7 | 0.45 | 0.91 | 0.37 | 0.80 | 0.47 | 0.46 | 0.70 | 0.48 |
rs11571316 | CTLA-4 | promoter | CT | 98.2 | 0.16 | 0.56 | 0.91 | 0.34 | 0.86 | 0.89 | 0.95 | 0.91 |
Abbreviation: CR, call rate; MAF, minor allele frequency; and HWE, Hardy-Weinberg equilibrium.
aInformation about SNPs and SNP ID were obtained from NCBI database (http://ncbi.nih.gov).
bP values were calculated by multivariate regression analysis, adjusted for age, gender, smoking status, tumor histology, stage, ECOG performance status, and weight loss.
cP-values were calculated using multivariate Cox proportional hazard models, adjusted for age, gender, smoking status, tumor histology, stage, ECOG performance status, weight loss, 2nd line chemotherapy and radiation to primary tumor.