Table 1

 The distribution of HLA-DM alleles in patients with antiphospholipid syndrome and controls

AlleleAPS (n = 186)PAPS (n = 102)SAPS (n = 84)SLE APS (n = 80)Controls (n = 218)
n = number of alleles in each group.
†p = 0.035, ‡p = 0.011 v controls by 4×2 χ2 test.
§p = 0.007 (pc = 0.028), ¶p = 0.003 (pc = 0.012) v controls by 2×2 χ2 test.
APS, antiphospholipid syndrome; PAPS, primary antiphospholipid syndrome; SAPS, secondary antiphospholipid syndrome; SLE, systemic lupus erythematosus.
DMA*010178.0%79.4%76.2%88.8%85.8%
*010217.7§14.721.4¶8.88.3
*01032.73.91.22.53.2
*01041.62.01.20.02.8
DMB*010175.875.576.275.069.7
*01021.11.01.23.82.3
*010322.022.521.421.325.7
*01041.11.01.20.02.3
*01050.00.00.00.00.0