The performance of seven QPrediction risk scores in an independent external sample of patients from general practice: a validation study

@inproceedings{HippisleyCox2014ThePO,
  title={The performance of seven QPrediction risk scores in an independent external sample of patients from general practice: a validation study},
  author={Julia Hippisley-Cox and Carol Coupland and Patrick Brindle},
  booktitle={BMJ open},
  year={2014}
}
OBJECTIVES To validate the performance of a set of risk prediction algorithms developed using the QResearch database, in an independent sample from general practices contributing to the Clinical Research Data Link (CPRD). SETTING Prospective open cohort study using practices contributing to the CPRD database and practices contributing to the QResearch database. PARTICIPANTS The CPRD validation cohort consisted of 3.3 million patients, aged 25-99 years registered at 357 general practices… CONTINUE READING
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