Evidence map›Paper›PMID 34635760›Full record

ArticleNPJ digital medicine2021

Imputation of missing values for electronic health record laboratory data.

Jiang Li, Xiaowei S Yan, Durgesh Chaudhary, Venkatesh Avula, Satish Mudiganti, Hannah Husby, Shima Shahjouei, Ardavan Afshar, Walter F Stewart, Mohammed Yeasin and 2 more

Abstract read
In one paragraph

Article in NPJ digital medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

55 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  10. Prediction of postoperative infections by strategic data imputation and explainable machine learning.Journal of the American Medical Informatics Association : JAMIA · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Jiang LiGeisinger Health System, Danville, PA, USA.ORCID http://orcid.org/0000-0002-7006-1285
Xiaowei S YanSutter Center for Health System Research, Walnut Creek, CA, USA.
Durgesh ChaudharyGeisinger Health System, Danville, PA, USA.
Venkatesh AvulaGeisinger Health System, Danville, PA, USA.ORCID http://orcid.org/0000-0001-5141-1502
Satish MudigantiSutter Center for Health System Research, Walnut Creek, CA, USA.ORCID http://orcid.org/0000-0003-2776-8952
Hannah HusbySutter Center for Health System Research, Walnut Creek, CA, USA.ORCID http://orcid.org/0000-0001-8809-5582
Shima ShahjoueiGeisinger Health System, Danville, PA, USA.
Ardavan AfsharSchool of Computing, Georgia Institute of Technology, Atlanta, GA, USA.
Walter F StewartMedcurio, 300 Frank H Ogawa Plaza, Suite 248, Oakland, CA, 94612, USA.
Mohammed YeasinDepartment of Electrical & Computer Engineering, University of Memphis, Memphis, TN, USA.
Ramin ZandGeisinger Health System, Danville, PA, USA.ORCID http://orcid.org/0000-0002-9477-0094
Vida AbediGeisinger Health System, Danville, PA, USA. vidaabedi@gmail.com.ORCID http://orcid.org/0000-0001-7689-933X

Funding

Electronic Health Record Data and Predictive Analytic Methods for HFR56HL116832 · NHLBI · CALIFORNIA PACIFIC MED CTR RES INSTITUTE · PI YAN, XIAOWEI SHERRY · 2018 to 2018
$761k
NHLBI NIH HHS R56 HL116832U.S. Department of Health & Human Services | NIH | Center for Information Technology (Center for Information Technology, National Institutes of Health) R56HL116832
6 · The paper itself

Abstract

Laboratory data from Electronic Health Records (EHR) are often used in prediction models where estimation bias and model performance from missingness can be mitigated using imputation methods. We demonstrate the utility of imputation in two real-world EHR-derived cohorts of ischemic stroke from Geisinger and of heart failure from Sutter Health to: (1) characterize the patterns of missingness in laboratory variables; (2) simulate two missing mechanisms, arbitrary and monotone; (3) compare cross-sectional and multi-level multivariate missing imputation algorithms applied to laboratory data; (4) assess whether incorporation of latent information, derived from comorbidity data, can improve the performance of the algorithms. The latter was based on a case study of hemoglobin A1c under a univariate missing imputation framework. Overall, the pattern of missingness in EHR laboratory variables was not at random and was highly associated with patients' comorbidity data; and the multi-level imputation algorithm showed smaller imputation error than the cross-sectional method.

Identifiers

PMID34635760
PMCPMC8505441

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.