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Table 1 Phenotype frequencies of HLA DRB1

From: Epidemiology and genetics of rheumatoid arthritis

HLA DRB1 phenotype Controls (n = 286) Cases (n = 680) Odds ratio (95% confidence interval)
*0101/2 62 155 1.0 (0.8–1.5)
*04 100 306 1.5 (1.1–2.0)
*0401 63 204 1.5 (1.1–2.1)
*0404 10 77 3.5 (1.8–6.8)
*0405/8/9 5 19 1.6 (0.6–4.3)
*1001 3 17 2.4 (0.8–7.8)
SE+ 127 400 1.8 (1.4–2.4)
  1. SE+, shared epitope positive. Data from [32].