Confidence intervals for proportions--the Cinderella of statistical analyses.
Newcombe
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D006528:Carcinoma, Hepatocellular / Q000209:etiology* / Q000821:virology; D016001:Confidence Intervals; D003627:Data Interpretation, Statistical; D019698:Hepatitis C, Chronic / Q000150:complications*; D006801:Humans; D008103:Liver Cirrhosis / Q000150:complications*; D008113:Liver Neoplasms / Q000209:etiology*; D012307:Risk Factors