Table 1

Group data and prevalence of GAD autoantibodies

GroupnAge (y)GAD65AbGAD67Ab
MeanRangeRaised (n)Prevalence (%)Raised (n)Prevalence (%)
NC1001-150 32.118–4611.011.0
OND27953.35–87145.062.2
SMS1358.128–741184.6754.0
PERM950.131–68778.0556.0
  • 1-150 No familial history for type 1 diabetes mellitus or autoimmune disease. NC=Normal controls; OND=other nervous diseases; SMS=stiff man syndrome; PERM=progressive encephalomyelitis with rigidity and myoclonus.