title: Design, data analysis and sampling techniques for clinical research.
abstract: Statistical analysis is an essential technique that enables a medical research practitioner to draw meaningful inference from their data analysis. Improper application of study design and data analysis may render insufficient and improper results and conclusion. Converting a medical problem into a statistical hypothesis with appropriate methodological and logical design and then back-translating the statistical results into relevant medical knowledge is a real challenge. This article explains various sampling methods that can be appropriately used in medical research with different scenarios and challenges.
authors.affiliation: Department of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Trivandrum, India.
authors.forename: Karthik
authors.initials: K
authors.lastname: Suresh
authors.forename: Sanjeev V
authors.initials: SV
authors.lastname: Thomas
authors.forename: Geetha
authors.initials: G
authors.lastname: Suresh