Table 1

Results for IA-2β autoantibody assays

Laboratory no.Laboratory-assigned sensitivity (%)Laboratory-assigned specificity (%)AUC95% CIP valueAS 95 (%)Results reportedIA-2β clone
109NDND0.770.69–0.87<0.000163local unitsMilan
11539980.720.62–0.82<0.000153cpmMilan
11647990.700.60–0.80<0.000153local unitsMilan
118NDND0.680.57–0.79<0.000153cpmMilan
12053960.730.63–0.82<0.000155local unitsMilan
12147990.690.58–0.79<0.000149local unitsMilan
12651980.670.55–0.780.00149local unitsSeattle
13243990.740.65–0.83<0.000147local unitsMilan
13347990.690.59–0.80<0.000153local unitsDenver
15053940.750.66–0.84<0.000153cpmMilan
15350980.740.65–0.84<0.000152local unitsMilan
21347920.710.61–0.81<0.000147local unitsMilan
50437920.650.55–0.750.00420local unitsMilan
  • ND, not designated.