Controls EB Controls% EB% DQ2.5 DQA1*0105/DQB1*0201 27 3 7.92% 8.1% DQ2.2 DQA1*0201/DQB1*0202 20 8 5.87% 21.62%* DQ2T DQA1*0201/DQB1*0202 DQA1*0505/DQB1*0301 39 2 11.44% 5.41% DQ8 DQA1*0301/DQB1*0302 9 2 2.64% 5.41% DQ2-8 DQB1*02/DQB10302 3 0 0.88% 0 DQ7 DQA1*0505/DQB1*0301 138 14 40.47% 37.83% Neg X/X 105 7 30.79% 18.91% total   341 36

Table 4: HLA-DQ of EB versus control patients, χ2 test revealed that only DQ2.2 was present in EB patients with higher prevalence.