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STATISTICS
Year : 2011  |  Volume : 2  |  Issue : 4  |  Page : 145-148

Survival analysis in clinical trials: Basics and must know areas


1 Department of Community Medicine, College of Medicine and JNM Hospital, Kalyani, West Bengal, India
2 Department of Pharmacology, College of Medicine and JNM Hospital, Kalyani, West Bengal, India

Correspondence Address:
Ritesh Singh
Department of Community Medicine, College of Medicine and JNM Hospital, Kalyani, West Bengal - 741 235
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2229-3485.86872

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Many clinical trials involve following patients for a long time. The primary event of interest in those studies is death, relapse, adverse drug reaction or development of a new disease. The follow-up time for the study may range from few weeks to many years. A different set of statistical procedures are employed to analyze the data, which involves time to event an analysis. It is a very useful tool in clinical research and provides invaluable information about an intervention. This article introduces the researcher to the different tools of survival analysis.


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