On Biostatistics and Clinical Trials
CQ's web blog on the issues in biostatistics and clinical trials.
Thursday, November 24, 2016
Should the Percent of Confidence Confidence Interval Match the Significance Level?
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In statistics, a confidence interval (CI) is a type of interval estimate of a population parameter. Confidence intervals consist of a r...
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Monday, November 21, 2016
Haybittle–Peto Boundary for Stopping the Trial for Efficacy or Futility at Interim Analysis
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In clinical trials with group sequential design or the clinical trials with formal interim analysis for efficacy, we will need to deal with...
Tuesday, November 15, 2016
Collecting Sex, Gender, or Both in Clinical Trials?
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In the latest issue of JAMA, Clayton and Tannenbaum published an article titled “ Reporting Sex, Gender, or Both in Clinical Research? ” an...
Saturday, November 12, 2016
Presidential Election and Statistics
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Tuesday’s election results were full of surprises. The election results indicated that almost all polls were wrong this time. I view the po...
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