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Related Experiment Videos

Confidence intervals for relative risk estimates from affected-sib-pair data

H J Cordell1, J M Olson

  • 1Department of Epidemiology and Biostatistics, Rammelkamp Center for Education and Research, Case Western Reserve University, Cleveland, Ohio 44109, USA.

Genetic Epidemiology
|January 1, 1997
PubMed
Summary

This study analyzed genetic markers linked to bipolar illness using affected-sib-pair data. Evidence suggests increased relative risk for markers D18S41 and D18S37, though confidence intervals were wide.

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Area of Science:

  • Genetics
  • Psychiatric Disorders
  • Statistical Genetics

Background:

  • Bipolar illness is a complex psychiatric disorder with a significant genetic component.
  • Previous research has identified potential linkage of specific genetic markers to bipolar illness.

Purpose of the Study:

  • To derive and evaluate confidence intervals for relative risk parameters.
  • To assess the linkage evidence for markers D18S41 and D18S37 in bipolar illness.

Main Methods:

  • Utilized affected-sib-pair data for genetic analysis.
  • Estimated relative risk parameters and their confidence intervals.

Main Results:

  • Some evidence of relative risk greater than 1 was found for marker D18S41.

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  • Stronger evidence of relative risk greater than 1 was observed for marker D18S37.
  • Confidence intervals for both markers were wide, indicating uncertainty in estimates.

    • Conclusions:

    • Markers D18S41 and D18S37 show potential association with bipolar illness.
    • Further research with larger sample sizes may be needed to refine risk estimates.