The prevention and handling of the missing data
Top Cited Papers
Open Access
- 1 January 2013
- journal article
- Published by The Korean Society of Anesthesiologists in Korean Journal of Anesthesiology
- Vol. 64 (5), 402-406
- https://doi.org/10.4097/kjae.2013.64.5.402
Abstract
Even in a well-designed and controlled study, missing data occurs in almost all research. Missing data can reduce the statistical power of a study and can produce biased estimates, leading to invalid conclusions. This manuscript reviews the problems and types of missing data, along with the techniques for handling missing data. The mechanisms by which missing data occurs are illustrated, and the methods for handling the missing data are discussed. The paper concludes with recommendations for the handling of missing data.Keywords
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