Statistical methods in clinical studies: An overview

Abstract

Basic knowledge of statistics is essential for the proper design of clinical studies, data handling methods, appropriate use of analytical tools and the interpretation of the findings. Recognising the importance of the need for competence in biostatistics and research methodology, the Medical Council of India has made it mandatory for the postgraduate medical student to learn research methodology by taking up an online course; and has also made it necessary for faculty in medical colleges to complete the online basic course in biomedical research to get promoted This review focusses on providing an overview regarding various statistical tools commonly used in the design of studies and analysis of data.

Keywords

• confidence intervals
• data
• multiple variable analysis
• parametric tests
• patterns
• p value