Influence of Using Different Databases and 'Look Back' Intervals to Define Comorbidity Profiles for Patients with Newly Diagnosed Hypertension: Implications for Health Services Researchers.

To determine the data sources and 'look back' intervals to define comorbidities.Hospital discharge abstracts database (DAD), physician claims, population registry and death registry from April 1, 1994 to March 31, 2010 in Alberta, Canada.Newly-diagnosed hypertension cases from 1997 to 2008...

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Bibliographic Details
Main Authors: Guanmin Chen, Lisa Lix, Karen Tu, Brenda R Hemmelgarn, Norm R C Campbell, Finlay A McAlister, Hude Quan, Hypertension Outcome and Surveillance Team
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2016-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC5008755?pdf=render