BASIC METHODS OF MEDICAL RESEARCH

by A. Indrayan

Contents

 

1.     Basics of Medical Research

1.1   Steps in medical research

1.2   Research protocol

1.3   Ethics of medical research

1.4   Tail piece

2.      Review of the Existing Information

2.1    Searching medical literature

2.2    Critique of a medical report

2.3    Searching the existing data

3.      Uncertainties in Medical Research

3.1    Varieties of uncertainties in medical research

3.2    Controlling some epistemic uncertainties

3.3    Assessing uncertainties

4.      Designs for Observational Studies

4.1   Prospective study

4.2   Retrospective Study

4.3   Cross-Sectional Study

 

5.      Designs for Clinical Trials and Medical Experiments

5.1   Clinical trials

5.2   Medical experiments

5.3   Varieties of bias to guard against

6.      Sampling

6.1   Sampling for descriptive studies

6.2   Sampling for analytical studies

6.3   Sampling and nonsampling errors

6.4   Determination of sample size for medical research

7.      Collection and Collation of the Data   

7.1   Sources of medical data

7.2   Quality of data

7.3   Types of measurements

7.4   Collation of data  

7.5   Standardisation and other adjustments for data comparability

8.    Assessment of Health and Disease      

8.1    Statistical distribution of medical measurements

8.2    Normal vs. abnormal levels

8.3    Assessment of medical factors

 

9. Assessment of Mortality and Survival

9.1   Mortality indices

9.2    Survival analysis

 

10.    Relative Risk and Odds Ratio

8.1    Epidemiological indices

8.2    Sensitivity, specificity, and predictivities

8.3    Relative risk, odds ratio, and attributable risk

 

11.    Confidence Intervals and Robustness

11.1    Confidence intervals for medical parameters

11.2    Robustness of research results

 

12.     Statistical Significance

12.1     P-value and power

12.2     Statistical significance and medical significance

12.2    Statistical tests for qualitative data

12.3    Statistical tests for quantitative data      

 

13.  Medical Relationships

13.1   General features of a regression

13.2   Logistic regression for medical factors

13.3   Linear and Cox regression

 

14. Correlation and Cause-Effect

14.4   The strength of medical relationship

14.5   Cause-effect relationship in medical research

14.6   Clinical agreement

15.  Presentation of Results

15.1   Components of a research report

15.2   Presentation style

15.3   Reporting ethics for medical research

15.4   Finally yours

 

Glossary of Methodological Terms

Index

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