Table 3.
Proportions of nested case–control groups and replication cohort, at the time of data freeze
| n | tTGA (%) | Female (%) | Caucasian (%) | DR3-DQ2/ DR3-DQ2 (%) | |
|---|---|---|---|---|---|
| Cases | 248 | 100 | 61.3 | 95.6 | 52.8 |
| Controls | 248 | 0 | 61.3 | 97.2 | 24.2 |
| Replication cohort | 4,514 | 9.6 | 47.34 | 100 | 20.8 |
tTGA, tissue transglutaminase autoantibody. The case–control group included 232 subjects with DR3-DQ2/DR4-DQ8, 51 with DR4-DQ8/DR4-DQ8, 18 with DR4-DQ8/DR8-DQ4, and 191 with DR3-DQ2/DR3-DQ2.
Cases were children with celiac disease autoimmunity and defined as being persistently positive to tTGAs.