An approach to several problems in using large databases for population‐based case‐ontrol studies of the therapeutic efficacy and safety of anti‐hypertensive medicines

Bruce M. Psaty, Thomas D. Koepsell, David Siscovick, Pat Wahl, James P. Logerfo, Thomas S. Inui, Edward H. Wagner

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

In this paper we discuss approaches to two distinct problems in using large computerized databases to conduct population‐based case‐ontrol studies. The first topic, concerning case ascertainment, is a methodo‐logic problem, and the second, concerning confounding by indication, is an analytic problem. The first involves attempting to ascertain all incident cases of coronary disease among enrollees of Group Health Cooperative of Puget Sound (GHC), a large health‐maintenance organization. Methodologic studies reported here have helped us improve the efficiency of using the large computerized databases for case ascertainment at GHC. The second problem involves the issue of confounding by drug indication. Drugs such as beta‐blockers have multiple indications, including the treatment of both high blood pressure and angina. These two indications may make it difficult in an observational study to determine whether beta‐blockers may prevent coronary disease in patients with high blood pressure. We discuss here our current thinking about the best analytic approach to this problem.

Original languageEnglish (US)
Pages (from-to)653-662
Number of pages10
JournalStatistics in Medicine
Volume10
Issue number4
DOIs
StatePublished - Apr 1991

ASJC Scopus subject areas

  • Epidemiology
  • Statistics and Probability

Cite this

An approach to several problems in using large databases for population‐based case‐ontrol studies of the therapeutic efficacy and safety of anti‐hypertensive medicines. / Psaty, Bruce M.; Koepsell, Thomas D.; Siscovick, David; Wahl, Pat; Logerfo, James P.; Inui, Thomas S.; Wagner, Edward H.

In: Statistics in Medicine, Vol. 10, No. 4, 04.1991, p. 653-662.

Research output: Contribution to journalArticle

Psaty, Bruce M. ; Koepsell, Thomas D. ; Siscovick, David ; Wahl, Pat ; Logerfo, James P. ; Inui, Thomas S. ; Wagner, Edward H. / An approach to several problems in using large databases for population‐based case‐ontrol studies of the therapeutic efficacy and safety of anti‐hypertensive medicines. In: Statistics in Medicine. 1991 ; Vol. 10, No. 4. pp. 653-662.
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