Identification of rheumatoid arthritis patients using an administrative database: a Veterans Affairs study.

@article{Ng2012IdentificationOR,
  title={Identification of rheumatoid arthritis patients using an administrative database: a Veterans Affairs study.},
  author={Bernard Ng and Fawad Aslam and Nancy J. Petersen and H Yu and Maria E Suarez-Almazor},
  journal={Arthritis care & research},
  year={2012},
  volume={64 10},
  pages={1490-6}
}
OBJECTIVE The accuracy of the diagnosis is vital when administrative databases are used for pharmacoepidemiologic and outcome studies. Data pertaining to the utility of databases for rheumatoid arthritis (RA) are sparse and variable. We assessed the utility of various diagnostic algorithms to identify RA patients within the Veterans Health Administration (VHA) databases. METHODS Using the International Classification of Diseases, Ninth Revision code for RA at 2 visits at least 6 months apart… CONTINUE READING
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