Medical Application of Statistics

Special Medical Application for Statistics- 

Use- Apply statistics to medical practice 

Special Terms include: 

Double Blind Study:Subjects are randomly assigned to different treatment groups. Neither the investigator nor the subject knows which is receiving an experimental treatment or a control experience. This often times is a drug verses the placebo. 

Reliability: How well a test can be reproduced with Results similar to original test. 

Meta-analysis: Pooling results from several previous studies to achieve greater statistical power. Data is acquired from previous studies. 

Case Control Study: Observational study, sample chosen based on the presence/ absence of disease. An example of this can often times be seen in a study with smoking and lung cancer.

Cohort Study: Observational study, based on the presence/ absence of risk factors and subjects followed over a period of time. 

Clinical Trial: Experimental study, compares therapeutic benefit of two or more treatments. 

Prevalence: A proportion of Individuals in a study population with a disease at a specific point in time. 

Incidence: Number of new cases diagnosed over a specific time interval. 

Sensitivity: Probability that a person with the disease will be correctly identified by a test for the disease. 

Odds Ratio: Expresses chance of having or developing a disease in a group exposed to risk factors.