# 75322 - Medical Statistics

### Course Unit Page

• Credits 2

• SSD MED/01

• Language Italian

• Teaching Material

• Course Timetable from Oct 09, 2019 to Nov 27, 2019

## Learning outcomes

At the end of the course the student: - is able to conduct social research on the territory in order to know the social characteristics and social needs in view of a specific intervention - is able to describe the social characteristics of the administrative territories (regions, Provinces, municipalities) using official statistics sources.

## Course contents

Descriptive statistics: central trend measures, dispersion measures

Some basic concepts on probability: elementary properties of probability, probability distributions for discrete variables, distribution

Binomial, Poisson and probability distribution for continuous variables. Normal distribution. Estimates: confidence intervals for

An average population and confidence intervals for each statistical technique. Test of hypothesis: independent sample testing and paired data.

Analysis of variance. Linear and multiple regression, classical correlation. Regression analysis: logistic regression. Chi-square Distribution:

Frequency analysis. Non-parametric tests: Wicoxon, Mann-Whitney, Kruskal-Wallis. Population and clinical trials, epidemiological indicators:

Prevalence, incidence, risk (absolute, relative and attributable), odds ratio, mortality rates and relationships, morbidity measures. Sensitivity and specificity of the diagnostic tests in the light of 1st and 2nd type errors. Positive and negative predictive value of diagnostic tests in the light of the probability of conditioning. The cut-off Curve ROC

Statistica per discipline Biomediche

Stanton A. Glanz

Edizione McGraw-Hill

## Teaching methods

Frontal lectures with slide support and, if necessary, blackboard for mathematical explanations

## Assessment methods

Written test test with 15 questions answered closed, passing the exam with 10 correct answers, each correct answer +2.2 wrong or no answer -0.8 which corresponds to