Challenges associated with missing data in electronic health records: A case study of a risk prediction model for diabetes using data from Slovenian primary care

The increasing availability of data stored in electronic health records brings substantial opportunities for advancing patient care and population health. This is, however, fundamentally dependant on the completeness and quality of data in these electronic health records. We sought to use electronic...

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Vydáno v:Health informatics journal Ročník 25; číslo 3; s. 951
Hlavní autoři: Stiglic, Gregor, Kocbek, Primoz, Fijacko, Nino, Sheikh, Aziz, Pajnkihar, Majda
Médium: Journal Article
Jazyk:angličtina
Vydáno: England 01.09.2019
Témata:
primary care
type 2 diabetes
electronic health records
databases and data mining
quality control
missing data
ISSN:1741-2811, 1741-2811
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Shrnutí:The increasing availability of data stored in electronic health records brings substantial opportunities for advancing patient care and population health. This is, however, fundamentally dependant on the completeness and quality of data in these electronic health records. We sought to use electronic health record data to populate a risk prediction model for identifying patients with undiagnosed type 2 diabetes mellitus. We, however, found substantial (up to 90%) amounts of missing data in some healthcare centres. Attempts at imputing for these missing data or using reduced dataset by removing incomplete records resulted in a major deterioration in the performance of the prediction model. This case study illustrates the substantial wasted opportunities resulting from incomplete records by simulation of missing and incomplete records in predictive modelling process. Government and professional bodies need to prioritise efforts to address these data shortcomings in order to ensure that electronic health record data are maximally exploited for patient and population benefit.
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ISSN:1741-2811
1741-2811
DOI:10.1177/1460458217733288