# Bachelor's degree in Obstetrics (to qualify as an obstetrician)

### Evidence Based Midwifery - STATISTICA MEDICA ED EPIDEMIOLOGIA CLINICA

Course code
4S000032
Name of lecturer
Simone Accordini
Number of ECTS credits allocated
2
MED/01 - MEDICAL STATISTICS
Language of instruction
Italian
Period
3° ANNO 1° Semestre dal Nov 18, 2019 al Dec 22, 2019.

To show the organization of the course that includes this module, follow this link Course organization

## Learning outcomes

The aim of the course "Medical statistics and clinical epidemiology" is to provide the theoretical and practical tools for assessing the frequency of diseases in human populations and the associated risk factors. The course therefore aims to provide expertise in epidemiology and bio-statistics. At the end of the course, the student must demonstrate to have understood the basic bio-statistical methods applied to epidemiology and the elements of an epidemiological study.

## Syllabus

The course is structured in theoretical frontal lessons (24h).

Collection and organization of biomedical data:
- stages of a statistical research;
- population, sample and statistical units;
- measurement process and measurement scales;
- validity, accuracy and precision of a measuring instrument;
- absolute, relative and cumulative frequencies;
- one and two-way frequency tables.

Graphical representation of biomedical data:
- pie chart;
- bar chart;
- histogram;
- cumulative frequency polygon.

Measures of location and dispersion:
- mode;
- percentiles and median;
- simple and weighted arithmetic mean;
- range;
- interquartile range;
- deviance, variance and standard deviation;
- coefficient of variation.

An introduction to probability theory:
- definition of probability;
- axiomatic theory of probabilities;
- rules of probability calculation;
- independent and conditional probabilities;
- Bernoulli and Gauss distributions.

Diagnostic and screening tests:
- sensitivity and specificity.

The objects of epidemiology:
- outcome;
- measures of disease frequency (prevalence, cumulative incidence, incidence rate);
- determinant.

The occurrence relationship:
- measures of absolute effect (attributable risk);
- measures of relative effect (relative risk, odds ratio).

The epidemiological studies:
- ecological study;
- cross-sectional study;
- case-control study;
- cohort study;
- clinical trial.

An introduction to statistical inference:
- point estimate;
- confidence interval;
- statistical test.

 Reference books Author Title Publisher Year ISBN Note Lantieri PB, Risso D, Ravera G Elementi di Statistica Medica McGraw-Hill 2007 Jekel JF, Katz DL, Elmore JG, Wild DMG Epidemiologia, Biostatistica e Medicina Preventiva Elsevier-Masson 2009 Verlato G, Zanolin ME Esercizi di Statistica Medica, Informatica ed Epidemiologia Libreria Cortina Editrice, Verona 2000 Fowler J, Jarvis P, Chevannes M Statistica per le Professioni Sanitarie EdiSES srl, Napoli 2006

## Assessment methods and criteria

The final test is a written exam with short answer questions and multiple choice questions.
The aim of the test is to verify the knowledge of all the topics discussed.
The final evaluation is expressed in thirtieths.

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