People who read scientific articles must be familiar with the interpretation of p-values and confidence intervals when assessing the statistical findings. Some will have asked themselves why a p-value is given as a measure of statistical probability in certain studies, while other studies give a confidence interval and still others give both. The authors explain the two parameters on the basis of a selective literature search and describe when p-values or confidence intervals should be given. The two statistical concepts will then be compared and evaluated.
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