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STATISTICS
Year : 2019  |  Volume : 10  |  Issue : 4  |  Page : 183-186

Study designs: Part 5 – interventional studies (II)


1 Director, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
2 Department of Anaesthesiology, Tata Memorial Centre, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Rakesh Aggarwal
Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/picr.PICR_138_19

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In the fifth piece of this series on research study designs, we continue the discussion on interventional studies (clinical trials), in which the investigator decides whether or not a particular participant receives the exposure (or intervention). In this article, we take a closer look at several features which are important to ensure that the findings of such a study represent the real effect of an intervention, such as allocation concealment, blinding, compliance to intervention, the use of co-interventions and participant dropout rate.


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