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Continued Medical Education

A simplified eye-opener on managing missing data and in evaluation of non-response bias in medical research: a narrative review

Authors:

P. K. B. Mahesh ,

Office of the Provincial Director of Health, Colombo., LK
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Wasantha Gunathunga,

University of Colombo, LK
About Wasantha
Department of Community Medicine, Faculty of Medicine,
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Mahendra arnold,

Office of Regional Director of Health services, colombo, LK
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S. B. Munasinghe,

University of Ruhuna, LK
About S. B.
Department of Mathematics
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Sinha De Silva

University of Colombo, LK
About Sinha
Postgraduate Institute of Medicine
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Abstract

Using correct methods for prevention, analysis and treatment of missing data is essential in preserving the validity of scientific research. In spite of this, issues related to missing data and non-response bias are found to be inadequately discussed in medical research. Facts related to the ‘missingness’, such as justifying the missing data as missing-completely-at-random, missing-at-random and not-missing-at-random often confuse many of the medical researchers who are nonstatisticians. This article focuses on the essential components related to missing data.
How to Cite: Mahesh, P.K.B., Gunathunga, W., arnold, M., Munasinghe, S.B. and De Silva, S., 2018. A simplified eye-opener on managing missing data and in evaluation of non-response bias in medical research: a narrative review. Journal of the College of Community Physicians of Sri Lanka, 24(2), pp.118–122. DOI: http://doi.org/10.4038/jccpsl.v24i2.8147
Published on 30 Jun 2018.
Peer Reviewed

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