What are the roles of statistics in medicine?

1. Dr Yinka Adeniran
The Role of Statistics in
Medicine

2. At the end of this class, students should be able to
 define statistics
 Describe the two major types of statistics
 Discuss the importance of statistics in
medicine
Learning Objectives

3. Statistics in the science of collecting,
summarizing, presenting and interpreting
data, and using them to estimate the
magnitude of associations and test
hypotheses
What is Statistics?

4. 1. Collection of data
2. Organization of data
3. Presentation of data
4. Summarization of data
5. Significance testing
6. Drawing inferences and Interpreting data
7. Finally, Communicating data
Components that capture the essence of statistics are
listed below

5. 1. Descriptive statistics
[include collection, organization, presentation and summarization
of data.]
2. Inferential statistics
[is concerned with procedures used to draw inferences and
conclusions about a large body of data (called population) from a
smaller set of data (called sample)]
The 2 Broad Classification of Statistics

6. 1. For Evidence-Based Medicine
Which underscores examination of evidence
from clinical research, systematic collection &
synthesis of evidence in medicine
2. In establishing causality/risk factors of
diseases & health events
Importance of Statistics in Medicine

7. 3. Helps in Disease prevention &
control
4. To aid identification of clinical
syndrome
Importance Cont’d

8. DISCUSS
Others Uses