Medical Statistics

Question 1

What are medical statistics ?

Answer 1

These are numerical facts on individuals or a group of people

Question 2

As a science medical statistics involves the

Answer 2

Collecting
Organizing
Analyzing
Interpreting and
Presenting Medical & Health data

Question 3

Why do we need M.S.?

Answer 3

Because of ever present variation in health measurements

Question 4

Sources of variation in medical data include..

Answer 4

1. Inherent biological differences
2. Instruments used
3. Observers
4. Respondents/subjects/participants
5. Environment

Question 5

What is a Bias?

Answer 5

It is anything from the conceptualization of the study to the collation of data, analysis of data, reporting of data that leads to a systematic departure from the truth

Question 6

What are the types of variation ?

Answer 6

1) random variations (cannot be controlled)
2) systematic variations (can be controlled)