Journal ArticleOpen Access
Predicting risk of type 2 diabetes in England and Wales: prospective derivation and validation of QDScore
Authors
Author Affiliations
University of Nottingham, Queen Mary University of London, University of Edinburgh
Published InBMJ
Year2009
Citations378
Abstract
OBJECTIVE: To develop and validate a new diabetes risk algorithm (the QDScore) for estimating 10 year risk of acquiring diagnosed type 2 diabetes over a 10 year time period in an ethnically and socioeconomically diverse population. DESIGN: Prospective open cohort study using routinely collected data from 355 general practices in England and Wales to develop the score and from 176 separate practices to validate the score. PARTICIPANTS: 2 540 753 patients aged 25-79 in the derivation cohort, who contributed 16 436 135 person years of observation and of whom 78 081 had an incident diagnosis of type 2 diabetes; 1 232 832 patients (7 643 037 person years) in the validation cohort, with 37 535 incident cases of type 2…
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