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A computer program for calculating ratio estimates.

V Latvis1, P Peduzzi

  • 1Cooperative Studies Program Coordinating Center, Veterans Administration Medical Center, West Haven, CT 06516.

Computer Methods and Programs in Biomedicine
|January 1, 1989
PubMed
Summary
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This study introduces a computer program for calculating ratio estimates in patient subunit data, useful for analyzing disease progression and extent. It aids in evaluating differences in estimates across various stratification factors like age and sex.

Area of Science:

  • Biostatistics
  • Medical Informatics
  • Health Services Research

Background:

  • Analyzing patient subunit data requires specialized statistical methods.
  • Ratio estimates are valuable for quantifying disease progression and extent.
  • Stratification factors like age and sex influence health outcomes.

Purpose of the Study:

  • To describe a computer program for calculating ratio estimates.
  • To apply the program to patient subunit data, including coronary artery disease and dental caries.
  • To compute test statistics for evaluating differences in ratio estimates.

Main Methods:

  • The program calculates ratio estimates for endpoints measured on patient subunits.
  • It computes ratio estimates for stratification factors (e.g., age, sex).

Related Experiment Videos

  • Test statistics are generated to assess differences in estimates for binary factors.

    • Main Results:

    • The program effectively calculates ratio estimates for various health endpoints.
    • It provides statistical measures to compare estimates across different patient groups.
    • Illustrative data from the Veterans Administration Study of Bypass Surgery are used.

    Conclusions:

    • The developed computer program offers a robust tool for analyzing ratio estimates in clinical research.
    • It facilitates the statistical evaluation of health endpoints and stratification factors.
    • The program enhances the analysis of patient subunit data for improved health outcomes.