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Validation of the Diabetes Prevention Trial–Type 1 Risk Score in the TrialNet Natural History Study
Sosenko, Jay M.
Skyler, Jay S.
Krischer, Jeffrey P.
Article from Journal - ilmiah internasional
Diabetes Care vol. 34 no. 08 (Aug. 2011)
page 1785-1787 .
Diabetes Prevention Trial–Type 1
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OBJECTIVE We assessed the accuracy of the Diabetes Prevention Trial–Type 1 Risk Score (DPTRS), developed from the Diabetes Prevention Trial–Type 1 (DPT-1), in the TrialNet Natural History Study (TNNHS). RESEARCH DESIGN AND METHODS Prediction accuracy of the DPTRS was assessed with receiver-operating characteristic curve areas. The type 1 diabetes cumulative incidence within the DPTRS intervals was compared between the TNNHS and DPT-1 cohorts. RESULTS Receiver-operating characteristic curve areas for the DPTRS were substantial in the TNNHS (P < 0.001 at both 2 and 3 years). The type 1 diabetes cumulative incidence did not differ significantly between the TNNHS and DPT-1 cohorts within DPTRS intervals. In the TNNHS, 2-year and 3-year risks were low for DPTRS intervals <6.50 (<0.10 and <0.20, respectively). Thresholds =7.50 were indicative of high risk in both cohorts (2-year risks: 0.49 in the TNNHS and 0.51 in DPT-1). CONCLUSIONS The DPTRS is an accurate and robust predictor of type 1 diabetes in autoantibody-positive populations.
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