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Introduction to the Scientific Basis of Medicine
2012-13
The Introduction to the Scientific Basis of Medicine (ISBM) is a 2nd MB/2nd Vet MB subject taken by medical and veterinary students in their first year. It is assessed by a 45 minute examination held at the end of Lent Term. This year's examination will be held on 15 March 2013 at 09:00 in the Examination Hall on the New Museums Site. The resit examination will be in September 2013, details TBC.
The course comprises a set of 10 lectures held in the Babbage Lecture Theatre on Wednesdays at 16.00 in the Michaelmas and Lent terms. The course introduces medics and vets to the principles of epidemiology (5 lectures) and medical statistics (5 lectures). You will also attend one of two Data Collection sessions on Wednesday 10 October 2012.
Epidemiology ( 5 lectures): Co-ordinator: Professor Kay-Tee Khaw kk101@medschl.cam.ac.uk
with Dr Mark Holmes mah1@cam.ac.uk
Aim:
- To provide an introduction to epidemiology and its application in medicine
Objectives:
- To provide an understanding of basic concepts in epidemiology and their relevance to clinical practice and disease prevention in patients and in the community
- To introduce tools for critical assessment and evaluation of the quality of the scientific literature and appropriate application of findings to medical practice
Learning outcomes:
- Understanding of different measures of rates and risks and their application in practice
- Understanding of principles of screening, and measures of validity of test including sensitivity, specificity and predictive value and their relevance to practice
- Understanding how to make comparisons: basic epidemiologic study designs (cross sectional, case control, longitudinal and intervention studies), their strengths and limitations
- Ability to interpret data appropriately and to make sensible inferences from such data; understanding and definitions of bias and confounding, and concepts of causality and generalisability
- Ability to evaluate scientific literature critically and sensibly
Medical statistics (5 lectures): Co-ordinator: Dr Chris Palmer crp10@medschl.cam.ac.uk
Aim
- To introduce the relevance, concepts and basic applications of statistics in medical science
Objectives
- To introduce medical statistics as a subject, and descriptive statistics within it for summarising data numerically and graphically
- To show how to estimate numerical features of populations from samples of data, using and correctly interpreting confidence intervals to quantify uncertainty
- To introduce another branch of statistical inference, hypothesis testing as the technique to help decide if sample results are a matter of chance or indicative of a genuine effect
- To extend hypothesis tests to two samples of data, allowing comparisons of groups (e.g. those exposed to a risk factor or not)
- To discuss research as published in the biomedical literature, and how to discern if a paper's results provide valid and applicable evidence
Learning Outcomes
- Appreciate the role of statistics in medicine
- Develop a 'statistical eye' when viewing data or reading the literature
- Understand statistical and epidemiological principles of design/analysis
- Know when and how to apply basic statistical methods
- Realise the need to consult a statistician at appropriate times
The lectures are as follows:
ISBM Sample Exam Questions
Epidemiology notes
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