Power calculations for matched case-control studies.

  title={Power calculations for matched case-control studies.},
  author={William D. Dupont},
  volume={44 4},
Power calculations are derived for matched case-control studies in terms of the probability po of exposure among the control patients, the correlation coefficient phi for exposure between matched case and control patients, and the odds ratio psi for exposure in case and control patients. For given Type I and Type II error probabilities alpha and beta, the odds ratio that can be detected with a given sample size is derived as well as the sample size needed to detect a specified value of the odds… CONTINUE READING
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