Bachelor's degree in Dental Hygiene (Rovereto)

Methodology for evidence-based practice - STATISTICA SANITARIA ED EPIDEMIOLOGICA CLINICA

Course code
Name of lecturer
Lucia Cazzoletti
Number of ECTS credits allocated
Academic sector
Language of instruction
CLID LEZ 3A 1S dal Nov 2, 2016 al Dec 15, 2016.

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Lesson timetable


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Learning outcomes

The course covers fundamental concepts in medical statistics, in particular descriptive statistics, and it introduces concepts of inferential statistics, such as hypothesis testing and confidence intervals. In addition, the course also presents the basic concepts of epidemiology, describing the prevalence, the incidence and the main measures of association.
By the end of this course students should be able to:
• describe data by means of central tendency and variability measures;
• interpret, and express in a proper manner the information concerning a set of experimental statistical units or patients, gathered in the frame of a clinical or epidemiological survey in connection with biomedical outcomes;
• build and interpret a graphical representation summarizing the gathered data;
• know and use the main measures of occurrence of the diseases and the main measures of association in the field of epidemiology;
• understand the fundamentals of statistical inference to a) understand correctly the meaning of the confidence intervals of a parameter (mean, proportion); b) understand how to use and interpret the significance level (p-value);
• be able to critically read and interpret statistical results presented in the medical literature.
Special attention will be devoted to the interpretation of the data.


Medicine, scientific research and statistics
The measurement in medicine: measurement scales, validity, precision and accuracy
Statistical variables and frequency distributions
Description of the distribution of one or more variables (of position and measures of variability, contingency tables)
Introduction to Probability
From the sample to the population: the principles of statistical inference (confidence intervals and test)
How to organize an epidemiological study and what is measured
How to measure the disease in human populations (incidence and prevalence)
How to measure the association between a determinant and a disease (relative risk, attributable risk, odds ratio)

Reference books
Author Title Publisher Year ISBN Note
Lopalco, Pier Luigi e Tozzi, Alberto Eugenio Epidemiologia facile Il pensiero scientifico 2003 ISBN 88-490-0081-2
Dancey CP, Reidy JG, Rowe R Statistica per le scienze mediche Piccin Nuova Libraria S.p.A. 2016 978-88-299-2765-4

Assessment methods and criteria

Written test

Teaching aids



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