Second Natural History Study of Congenital Heart Defects: Materials and methods

W. M. O'Fallon, Cynthia Crowson, L. J. Rings, W. H. Weidman, D. J. Driscoll, W. M. Gersony, C. J. Hayes, J. F. Keane, L. Kidd, D. R. Pieroni, R. R. Wolfe

Research output: Contribution to journalReview article

10 Scopus citations

Abstract

Results of the location and recruitment efforts and comparisons of responses from patients who cooperated at different levels in the Second Natural History Study of Congenital Heart Defects are included because they influenced the choice of analytic methods and are essential to the generalizability of the results to the entire study cohort. Included are examination and data collection protocols (e.g., protocol definitions, test procedures, and data editing), statistical methods (e.g., box plots, survival curves, multivariable models, and rate adjustment), participation results (e.g., proportional odds analysis, mortality, location, recruitment, and full participants, including comparison of questionnaire responses and comparison of questionnaire response and physician history), and a discussion.

Original languageEnglish (US)
JournalCirculation
Volume87
Issue number2 SUPPL.
StatePublished - Jan 1 1993

Keywords

  • Natural History Study of Congenital Heart Defects
  • questionnaires
  • statistics

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

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    O'Fallon, W. M., Crowson, C., Rings, L. J., Weidman, W. H., Driscoll, D. J., Gersony, W. M., Hayes, C. J., Keane, J. F., Kidd, L., Pieroni, D. R., & Wolfe, R. R. (1993). Second Natural History Study of Congenital Heart Defects: Materials and methods. Circulation, 87(2 SUPPL.).