Control Type 1 diabetes      
  n = 263 (%)  n = 139 (%)  OR 95%CI P value
Genotype  
Gly / Gly 236 (89.7) 134 (96.4)      
Gly / Cys 27 (10.3) 5 (3.6)      
 Cys / Cys 0 (0.0) 0 (0.0) 0.33 0.13-0.83 <0.02
Allele  
Gly 499 (94.9) 273 (98.2)      
Cys 27 (5.1) 5 (1.8) 0.34 0.13-0.85 0.02
OR: odds ratio, CI: confidence interval
Fisher’s exact probability test
Table 4: Association of MAFA Gly346Cys with susceptibility to type 1 diabetes in Japanese population (1st panel).