Table 2

Validation of pediatric diabetes algorithms compared with clinical DER-CA registry, ascertainment rates, and ascertainment-corrected prevalence of youth-onset diabetes

No. yearsAlg. #n (DER-CA)n (MCHP)Ascertainment rate of DER-CA based on case definitionAscertainment rate of repository for youth-onset diabetesAscertainment-corrected prevalence of youth-onset diabetes (per 1,000 youth)κMCHP case definition algorithm
SensSpecPPVNPV
1153186762.2%95.4%3.180.7595.499.962.299.9
257986.1%88.9%2.300.8788.999.986.199.9
391860.4%96.8%3.280.7496.899.960.499.9
466282.4%94.2%2.400.8994.299.982.499.9
590960.8%96.8%3.260.7596.899.960.899.9
665183.1%94.0%2.380.8894.099.983.199.9
275311,04848.9%96.4%4.070.6596.499.848.999.9
861381.6%94.2%2.430.8794.299.981.699.9
91,09647.4%97.7%4.190.6497.799.847.499.9
1067076.7%96.8%2.590.8696.899.976.799.9
111,08747.7%97.7%4.150.6497.799.847.799.9
1266177.8%96.8%2.550.8696.899.977.899.9
3135191,22541.4%97.9%4.670.5897.999.741.499.9
1465077.4%96.9%2.500.8696.999.977.499.9
151,27940.0%98.5%4.840.5798.599.740.099.9
1670871.8%97.9%2.700.8397.999.971.899.9
171,26840.3%98.4%4.800.5798.499.740.399.9
1869772.9%97.9%2.660.8497.999.972.999.9
  • Alg., algorithm; MCHP, Manitoba Centre for Health Policy; sens, sensitivity; spec, specificity.