Table 3.

Association of candidate HLA-DPB1-recipient variants with aGVHD and relapse after HCT

Discovery resultsReplication results
VariantAlleles*CohortEndpointModelMAFPHRLBUBSignalsBf-CPHRLBUBPower
rs9277378 A/G ALL GVHD2b Dominant 0.29 .003 1.19 1.1 1.3 0.008 .01 1.20 1.0 1.4 41 
rs9277378 A/G URD GVHD2b Allelic 0.28 .0008 1.28 1.1 1.5 0.006 .008 1.28 1.1 1.5 47 
rs9277535 A/G URD GVHD2b Allelic 0.24 .003 1.26 1.1 1.5 0.006 .01 1.27 1.1 1.5 39 
rs9277542 T/C URD GVHD2b Allelic 0.29 .0004 1.29 1.1 1.5 0.006 .006 1.28 1.1 1.5 54 
rs9277378 A/G ALL Relapse Recessive 0.29 .002 0.63 0.5 0.9 0.05 .05 0.72 0.5 1.0 73 
rs9277542 T/C ALL Relapse Recessive 0.29 .0004 0.59 0.4 0.8 0.05 .04 0.70 0.5 1.0 83 
rs9277378 A/G URD Relapse Recessive 0.29 .001 0.40 0.2 0.8 0.05 .03 0.49 0.2 1.0 71 
rs9277535 A/G URD Relapse Recessive 0.24 .005 0.40 0.2 0.9 0.05 .02 0.41 0.2 1.0 53 
rs9277542 T/C URD Relapse Recessive 0.29 .0008 0.39 0.2 0.7 0.05 .01 0.45 0.2 0.9 73 
Discovery resultsReplication results
VariantAlleles*CohortEndpointModelMAFPHRLBUBSignalsBf-CPHRLBUBPower
rs9277378 A/G ALL GVHD2b Dominant 0.29 .003 1.19 1.1 1.3 0.008 .01 1.20 1.0 1.4 41 
rs9277378 A/G URD GVHD2b Allelic 0.28 .0008 1.28 1.1 1.5 0.006 .008 1.28 1.1 1.5 47 
rs9277535 A/G URD GVHD2b Allelic 0.24 .003 1.26 1.1 1.5 0.006 .01 1.27 1.1 1.5 39 
rs9277542 T/C URD GVHD2b Allelic 0.29 .0004 1.29 1.1 1.5 0.006 .006 1.28 1.1 1.5 54 
rs9277378 A/G ALL Relapse Recessive 0.29 .002 0.63 0.5 0.9 0.05 .05 0.72 0.5 1.0 73 
rs9277542 T/C ALL Relapse Recessive 0.29 .0004 0.59 0.4 0.8 0.05 .04 0.70 0.5 1.0 83 
rs9277378 A/G URD Relapse Recessive 0.29 .001 0.40 0.2 0.8 0.05 .03 0.49 0.2 1.0 71 
rs9277535 A/G URD Relapse Recessive 0.24 .005 0.40 0.2 0.9 0.05 .02 0.41 0.2 1.0 53 
rs9277542 T/C URD Relapse Recessive 0.29 .0008 0.39 0.2 0.7 0.05 .01 0.45 0.2 0.9 73 

P values in bold met prespecified statistical criteria for replication. Bf-C indicates the threshold P value after Bonferroni correction for the number of discovery signals in each cohort-endpoint combination.

Chr, chromosome; HR, hazard ratio; LB, lower boundary of the 95% confidence interval; MAF, minor allele frequency; SNP, single nucleotide polymorphism; UB, upper boundary of the 95% confidence interval; URD, unrelated.

*

Plus-strand major/minor alleles.

Minor allele frequency in the combined discovery and replication samples used for the evaluation.

Estimates represent the power to detect the discovery effect size at the 2-sided Bonferroni-corrected significance level using the observed replication standard error.

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