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Table 2 HLA DR allelic frequencies between RHD cases and non RHD controls

From: Rheumatic heart disease in Uganda: the association between MHC class II HLA DR alleles and disease: a case control study

Variable Total (n,%) Cases (n,%) Controls (n,%) P value
HLA DR1 45/199, 22.6% 14/96, 14.6% 31/103, 30.1% 0.01
  DR3 18/199,9.04% 7/96, 7.29% 11/103, 10.7% 0.4
  DR7 16/199, 8.04% 11/96, 11.5% 5/103, 4.9% 0.1
  DR8 11/199, 5.53% 4/96, 4.2% 7/103, 6.8% 0.34
  DR9 7/199, 3.52% 4/96, 4.2% 3/103, 2.9% 0.36
  DR10 8/199, 4.02% 6/96, 6.3% 2/103, 1.9% 0.13
  DR11 41/199,20.60% 30/96, 31.3% 11/103, 10.7% <0.001
  DR13 11/199, 5.53% 4/96, 4.2% 7/103, 6.8% 0.47
  DR17 24/199,12.06% 9/96, 9.4% 15/103, 14.6% 0.28
  1. HLA- Human leukocyte antigen.