Learning objectives
The student should know the basic concepts of biometrics and be able to apply the principal statistical tests in medical research
Course unit content
<br /> Universe, population and sample. Variables and related statistical analysis.Random sampling. Normal distribution.descriptive statistics : observations, arithmetic mean, median, mode and dispersion : standard deviation and standard error. Confidence limits.Estimation and hypothesis testing : Student's t distribution and t-test for two independent sample means, analysis of variance for two groups , linear correlation and the chi square distribution: contingency tables, exact Fisher test.Nonparametric methods: Mann Whitney test and rank correlation test: Spearman's coefficient.Clinical trials: randomization, double blind and informed consensus
Bibliography
<br />"(Bio)statistica" E. Molina, W. Troise Rioda, Editor: Ed. Scientifiche Oppici<br />"Statistica per disciplineBio-mediche" S. A. Glantz. Editor: McGraw Hill
Teaching methods
<br />Didactics:<br />teaching and learning activities by making use of audiovisual instruments; interactive discussions.<br /> <br />Examination Tests:<br />written exercises of statistical tests