Table 1: History of autoimmune disease in parents of cases and controls.

CharacteristicAGS casesControlORP value95% CI

Maternal history of AI (yes/no)
 No26 (83.9%)28 (90.3%)1.00
 Yes5 (16.1%)3 (9.7%)1.750.4530.39–8.27

Paternal history of AI (yes/no)
 No30 (96.8%)31 (100.0%)1.00
 Yes1 (3.2%)0 (0.0%)

Maternal and/or paternal history of AI (yes/no)
 No25 (80.7%)28 (90.3%)1.00
 Yes6 (19.4%)3 (9.7%)2.240.2880.51–9.91

value from chi-squared test due to zero control subjects with a paternal history of AI.