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Table 3 Sample data elements of data sources

From: Comparative effectiveness studies to improve clinical outcomes in end stage renal disease: the DEcIDE patient outcomes in end stage renal disease study

Data element type Data source
  CHOICE DCI USRDS Registry Cleveland Clinic CKD Registry
Demographics Present Present Present Present
Outpatient Medications Medical records Medical records Medicare Part D prescription drug data Claims 2006-2009 Medical records
Facility/Intravenous Medications Medical records and Claims Medical records and Claims Claims Medical records and Claims
Laboratory Data Clinical Data Clinical Data Not Available Clinical Data
Quality of Life Detailed Disease Specific and Global Global Not Available Not Available
Co-morbidity Disease Specific Scale Medical Records Claims Medical Records
Hospitalizations Medical Records Medical Records Claims Medical Records
CVD Events Adjudicated from medical records, claims Claims Claims Not Available
Deaths Medical records, Medicare enrollment, National Death Index Medicare enrollment, National Death Index Medicare enrollment, National Death Index Social Security Death Index