Evidence map›Paper›PMID 29425213›Full record

ArticlePloS one2018

A study on nonlinear estimation of submaximal effort tolerance based on the generalized MET concept and the 6MWT in pulmonary rehabilitation.

Jan Szczegielniak, Krzysztof J Latawiec, Jacek Łuniewski, Rafał Stanisławski, Katarzyna Bogacz, Marcin Krajczy, Marek Rydel

Abstract read
In one paragraph

Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing 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

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

10 citing papers in PubMed.

  1. Trial
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  7. Proprietary Model of Qualification for In-Hospital Rehabilitation after COVID-19.International journal of environmental research and public health · 2022
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  9. Observational
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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

7 authors.

Jan SzczegielniakDepartment of Physical Education and Physiotherapy, Opole University of Technology, Opole, Poland.
Krzysztof J LatawiecDepartment of Electrical, Control and Computer Engineering, Opole University of Technology, Opole, Poland.ORCID 0000-0002-1646-4921
Jacek ŁuniewskiDepartment of Physical Education and Physiotherapy, Opole University of Technology, Opole, Poland.
Rafał StanisławskiDepartment of Electrical, Control and Computer Engineering, Opole University of Technology, Opole, Poland.
Katarzyna BogaczDepartment of Physical Education and Physiotherapy, Opole University of Technology, Opole, Poland.
Marcin KrajczyDepartment of Physical Education and Physiotherapy, Opole University of Technology, Opole, Poland.
Marek RydelDepartment of Electrical, Control and Computer Engineering, Opole University of Technology, Opole, Poland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe six-minute walk test (6MWT) is considered to be a simple and inexpensive tool for the assessment of functional tolerance of submaximal effort. The aim of this work was 1) to background the nonlinear nature of the energy expenditure process due to physical activity, 2) to compare the results/scores of the submaximal treadmill exercise test and those of 6MWT in pulmonary patients and 3) to develop nonlinear mathematical models relating the two.

methodsThe study group included patients with the COPD. All patients were subjected to a submaximal exercise test and a 6MWT. To develop an optimal mathematical solution and compare the results of the exercise test and the 6MWT, the least squares and genetic algorithms were employed to estimate parameters of polynomial expansion and piecewise linear models.

resultsMathematical analysis enabled to construct nonlinear models for estimating the MET result of submaximal exercise test based on average walk velocity (or distance) in the 6MWT.

conclusionsSubmaximal effort tolerance in COPD patients can be effectively estimated from new, rehabilitation-oriented, nonlinear models based on the generalized MET concept and the 6MWT.

Indexed as

AdultAgedFemaleHumansLinear ModelsMaleMiddle AgedPulmonary Disease, Chronic Obstructive

Identifiers

PMID29425213
PMCPMC5806867

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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.