Evidence map›Paper›PMID 31876400›Full record

ArticleJournal of cachexia, sarcopenia and muscle2020

Grip strength mediates the relationship between muscle mass and frailty.

Yu-Ri Choe, Ju-Ri Jeong, Yeon-Pyo Kim

Abstract read
In one paragraph

Article in Journal of cachexia, sarcopenia and muscle, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 3 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

27 citing papers in PubMed, 3 syntheses or guidelines pooled it.

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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

3 authors.

Yu-Ri ChoeDepartment of Family Medicine, Chonnam National University Hwasun Hospital, Hwasun, South Korea.ORCID 0000-0002-4557-2323
Ju-Ri JeongDepartment of Family Medicine, Chonnam National University Hwasun Hospital, Hwasun, South Korea.
Yeon-Pyo KimDepartment of Family Medicine, Chonnam National University Hwasun Hospital, Hwasun, South Korea.ORCID 0000-0002-7311-942X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAlthough sarcopenia and frailty are important diseases in geriatrics, few studies have investigated the association between the two diseases. Thus, this study aimed to examine the relationship between two components of sarcopenia (muscle mass and muscle function) and frailty.

methodsIn total, 997 Korean older adults (456 men and 541 women) were included in this cross-sectional observational study. We used a polynomial linear regression analysis to obtain standardized sex, age, and height-adjusted appendicular skeletal muscle mass (zASM), as well as to standardized sex, age, and height-adjusted grip strength (zGS). We then performed a causal mediation analysis to confirm the relationship between zASM and frailty.

resultsIn both men and women, zGS mediated the relationship between zASM and frailty (average causal mediation effect in men: -0.096 {-0.159 to -0.050}; in women: -0.053 {-0.098 to -0.010}). For every one-point increase in zGS score, the relative risk of a one-point increase in frailty was reduced by 21% in men (e

conclusionsIn this study on Korean older adults, muscle mass did not have a direct effect on frailty but had an indirect effect through altered muscle function.

Indexed as

AgedAged, 80 and overFemaleFrailtyHumansMaleMuscle, SkeletalMuscle StrengthRisk FactorsSarcopeniaAppendicular skeletal muscleFrailtyGrip strengthSarcopenia

Identifiers

PMID31876400
PMCPMC7113492

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Registered trials

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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.