Table 3

Genotype and minor allele frequency of the HLA-B27 tagging SNP rs4349859 in New Zealand Caucasian controls stratified according to age
Dataset Mean age (years) rs4349859 genotype frequency MAFa Inferred HLA-B27 prevalenceb P value
GG AG AA
A1 (n = 485) 44.9 441 (0.909) 42 (0.087) 2 (0.004) 46 (0.047) 44 (0.091) 0.92
A2 (n = 735) 69.9 667 (0.907) 65 (0.088) 3 (0.004) 71 (0.048) 68 (0.092)

SNP, single nucleotide polymorphism.

aMinor allele frequency.

bDetermined by adding together the rs4349859 AG and AA genotypes.

Roberts et al.

Roberts et al. Arthritis Research & Therapy 2013 15:R158   doi:10.1186/ar4341

Open Data