The structured abstract should enable the reader to assess the study hypothesis and methods quickly and easily. The context for the study question and the hypothesis (objective) should be clearly stated (eg, “To determine whether enalapril reduces left ventricular mass …”), the study design and and setting from which the sample was drawn described, and the main outcome measures explained. The results should include some explanation of effect size, if appropriate, with and used to describe the results. The conclusions should follow from the results without overinterpreting the data. Abstract format is too brief to permit detailed explanation of statistical ...
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