What impact do assumptions about missing data have on conclusions? A practical sensitivity analysis for a cancer survival registry

Abstract Background Within epidemiological and clinical research, missing data are a common issue and often over looked in publications. When the issue of missing observations is addressed it is usually assumed that the missing data are ‘missing at random’ (MAR). This assumption should be checked fo...

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Bibliographic Details
Main Authors: M. Smuk, J. R. Carpenter, T. P. Morris
Format: Article
Language:English
Published: BMC 2017-02-01
Series:BMC Medical Research Methodology
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12874-017-0301-0