Numbers of individuals with elevated levels of IgG antibodies against tissue transglutaminase (tTG) and/or deamidated gliadin peptides (DGP), HLA-DQ2/DQ8, celiac disease (CD) and gluten free diet (GFD) among patients and blood donors with IgA deficiency (subgroups without positive serology are not

* One DNA sample in this group was not available (total number: 2).
+ represents positive result.
− represents negative result.

* 本组内有1份DNA样本不可获取，总样本量为2。
+ 代表阳性结果，− 代表阴性结果。