Evidence map›Paper›PMID 34221370›Full record

ArticleClinical kidney journal2021

Predicting mortality in hemodialysis patients using machine learning analysis.

Victoria Garcia-Montemayor, Alejandro Martin-Malo, Carlo Barbieri, Francesco Bellocchio, Sagrario Soriano, Victoria Pendon-Ruiz de Mier, Ignacio R Molina, Pedro Aljama, Mariano Rodriguez

Abstract read
In one paragraph

Article in Clinical kidney journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing 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

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

  1. Pooled it
  2. Article
  3. Observational
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Observational
  15. Article
  16. Article
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

9 authors.

Victoria Garcia-MontemayorDepartment of Nephrology, Reina Sofia University Hospital, Cordoba, Spain.
Alejandro Martin-MaloDepartment of Nephrology, Reina Sofia University Hospital, Cordoba, Spain.
Carlo BarbieriFresenius Medical Care Italia, Vaiano Cremasco, Cremona, Italy.
Francesco BellocchioFresenius Medical Care Italia, Vaiano Cremasco, Cremona, Italy.
Sagrario SorianoDepartment of Nephrology, Reina Sofia University Hospital, Cordoba, Spain.
Victoria Pendon-Ruiz de MierDepartment of Nephrology, Reina Sofia University Hospital, Cordoba, Spain.
Ignacio R MolinaDepartment of Nephrology, Reina Sofia University Hospital, Cordoba, Spain.
Pedro AljamaDepartment of Nephrology, Reina Sofia University Hospital, Cordoba, Spain.
Mariano RodriguezDepartment of Nephrology, Reina Sofia University Hospital, Cordoba, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundBesides the classic logistic regression analysis, non-parametric methods based on machine learning techniques such as random forest are presently used to generate predictive models. The aim of this study was to evaluate random forest mortality prediction models in haemodialysis patients.

methodsData were acquired from incident haemodialysis patients between 1995 and 2015. Prediction of mortality at 6 months, 1 year and 2 years of haemodialysis was calculated using random forest and the accuracy was compared with logistic regression. Baseline data were constructed with the information obtained during the initial period of regular haemodialysis. Aiming to increase accuracy concerning baseline information of each patient, the period of time used to collect data was set at 30, 60 and 90 days after the first haemodialysis session.

resultsThere were 1571 incident haemodialysis patients included. The mean age was 62.3 years and the average Charlson comorbidity index was 5.99. The mortality prediction models obtained by random forest appear to be adequate in terms of accuracy [area under the curve (AUC) 0.68-0.73] and superior to logistic regression models (ΔAUC 0.007-0.046). Results indicate that both random forest and logistic regression develop mortality prediction models using different variables.

conclusionsRandom forest is an adequate method, and superior to logistic regression, to generate mortality prediction models in haemodialysis patients.

Indexed as

haemodialysismachine learningmortalitypredictive modelsrandom forest

Identifiers

PMID34221370
PMCPMC8247746

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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.