Table VI. The effect of potential confounders on viral load in HLA-B*27+ individuals
Median Viral Load (copies/ml)
Host or Viral FactorWTMutationp Value
Host factors
 CCR5Δ324,40014,3500.22
 CCR2-64I8,8009850.19
 SDF1-3′A8,2951,100NAa
Viral factors
 Escape mutation in other B27-restricted epitope
  gp417,7908,9200.95
  nef6,0954,8940.87
  p17b
  nef-deleted virusb
  • a No comparison was possible because 18 patients were homozygous WT or heterozygous; 1 was homozygous for the SDF1-3′A mutation.

  • b No comparison was possible because no sequence variants were found.

  • NA, not applicable.