Evidence map›Paper›PMID 34869477›Full record

SynthesisFrontiers in medicine2021

Effects of Exercise Intervention on Peripheral Skeletal Muscle in Stable Patients With COPD: A Systematic Review and Meta-Analysis.

Peijun Li, Jian Li, Yingqi Wang, Jun Xia, Xiaodan Liu

Open access · goldAbstract readSystematic Review
PubMed Full text at PMC Publisher
In one paragraph

Synthesis in Frontiers in medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 5 pooled it
2.6field-weighted citation impact, top 9% of its field
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

23 citing papers in PubMed, 5 syntheses or guidelines pooled it, 28 citations in OpenAlex.

  1. Pooled it
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  6. Trial
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  13. Construction of a postoperative home-based pulmonary rehabilitation program protocol for lung cancer patients delivered using the internet: A Delphi-based study.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2025
    Article
  14. Article
  15. Exercise Prescription Training in Chronic Obstructive Pulmonary Disease: Benefits and Mechanisms.International journal of chronic obstructive pulmonary disease · 2025
    Review
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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

5 authors at 2 institutions in 1 country.

Peijun LiDepartment of Sports Rehabilitation, Shanghai University of Sport, Shanghai, China.
Jian LiDepartment of Sports Rehabilitation, Shanghai University of Sport, Shanghai, China.
Yingqi WangDepartment of Sports Rehabilitation, Shanghai University of Sport, Shanghai, China.
Jun XiaDepartment of Sports Rehabilitation, Shanghai University of Sport, Shanghai, China.
Xiaodan LiuSchool of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Shanghai University of Sport · CNShanghai University of Traditional Chinese Medicine · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

PubMed holds no abstract for this paper.

Indexed as

chronic obstructive pulmonary diseaseexercise capacityexercise trainingmeta-analysisskeletal muscle dysfunction

Identifiers

PMID34869477
PMCPMC8636927
OpenAlexW3217646618

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.