Evidence map›Paper›PMID 28740090›Full record

ArticleScientific reports2017

Chaotic time series prediction for glucose dynamics in type 1 diabetes mellitus using regime-switching models.

Mirela Frandes, Bogdan Timar, Romulus Timar, Diana Lungeanu

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Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
–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

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3 · Its place in the literature

Who cites it

12 citing papers in PubMed.

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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

4 authors.

Mirela FrandesDepartment of Functional Sciences, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.ORCID 0000-0002-5249-6859
Bogdan TimarDepartment of Functional Sciences, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania. timar.bogdan@umft.ro.ORCID 0000-0002-0993-6206
Romulus TimarDepartment of Internal Medicine, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.
Diana LungeanuDepartment of Functional Sciences, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In patients with type 1 diabetes mellitus (T1DM), glucose dynamics are influenced by insulin reactions, diet, lifestyle, etc., and characterized by instability and nonlinearity. With the objective of a dependable decision support system for T1DM self-management, we aim to model glucose dynamics using their nonlinear chaotic properties. A group of patients was monitored via continuous glucose monitoring (CGM) sensors for several days under free-living conditions. We assessed the glycemic variability (GV) and chaotic properties of each time series. Time series were subsequently transformed into the phase-space and individual autoregressive (AR) models were applied to predict glucose values over 30-minute and 60-minute prediction horizons (PH). The logistic smooth transition AR (LSTAR) model provided the best prediction accuracy for patients with high GV. For a PH of 30 minutes, the average values of root mean squared error (RMSE) and mean absolute error (MAE) for the LSTAR model in the case of patients in the hypoglycemia range were 5.83 ( ± 1.95) mg/dL and 5.18 ( ± 1.64) mg/dL, respectively. For a PH of 60 minutes, the average values of RMSE and MAE were 7.43 ( ± 1.87) mg/dL and 6.54 ( ± 1.6) mg/dL, respectively. Without the burden of measuring exogenous information, nonlinear regime-switching AR models provided fast and accurate results for glucose prediction.

Indexed as

AlgorithmsBlood GlucoseBlood Glucose Self-MonitoringComputer SimulationDiabetes Mellitus, Type 1HumansHyperglycemiaHypoglycemiaLife StylePredictive Value of TestsSoftwareTime FactorsBlood Glucose

Identifiers

PMID28740090
PMCPMC5524948

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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.