A Sequential Clinical Trial for Testing p1 = p2.

Abstract

Sequential designs are proposed for clinical trials to compare two binomial success probabilities, p1 and p2. Approximations to the operating characteristics and expected sample size are obtained and compared with simulations. Special reference is made to the problem of comparing vasopressin and placebo for stopping upper gastrointestinal hemorrhage. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Feb 02, 1979
Accession Number
ADA065733

Entities

People

  • David Siegmund
  • P. Gregory

Organizations

  • Stanford University

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Abstracts
  • Binomials
  • Brownian Motion
  • Clinical Trials
  • Gastrointestinal Diseases
  • Health Services
  • Hemorrhage
  • Military Research
  • Pituitary And Hypothalamic Hormones And Analogues
  • Probability
  • Random Variables
  • Random Walk
  • Sampling
  • Sequential Analysis
  • Simulations
  • Statistics
  • United States

Fields of Study

  • Mathematics

Readers

  • Cardiovascular Physiology
  • Regression Analysis.