Evidence map›Paper›PMID 41402971›Full record

ReviewJournal of evidence-based medicine2025

Umbrella Reviews: Concepts, Methodological Frameworks, and Step-by-Step Implementation.

Chang Liu, Dayang Zhou, Wenjing Xu, Hai Pan, Xueqin Wang, Jibang Peng, Xiang Ji, Jian Huang, Zhu Zhu

Abstract readReview
In one paragraph

Review in Journal of evidence-based medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 2 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

6 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Review
  4. Review
  5. Article
  6. Review
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.

Chang LiuDay Surgery Center, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Dayang ZhouDay Surgery Center, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Wenjing XuDay Surgery Center, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Hai PanDay Surgery Center, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Xueqin WangDepartment of Surgical Oncology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Jibang PengDepartment of Surgical Oncology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Xiang JiDay Surgery Center, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Jian HuangDepartment of Surgical Oncology, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
Zhu ZhuDay Surgery Center, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The exponential growth of secondary literature has created an imperative for researchers to identify credible and methodologically sound studies within an increasingly complex information landscape. In light of the growing emphasis on evidence-based medicine in both domestic and international contexts, umbrella reviews (URs) have emerged as a critical methodological approach in biomedical research. As an advanced form of tertiary evidence synthesis, URs systematically integrate findings from multiple systematic reviews and meta-analyses, thereby providing a comprehensive evidence base for specific research questions or related fields. This methodological framework enhances the quality of evidence through critically evaluating the validity and reliability of conclusions drawn from secondary or primary studies. The present overview systematically examines the conceptual framework, distinctive characteristics, development process, and methodological quality assessment of URs, with the objective of establishing a theoretical foundation and practical reference for future research in this domain.

Indexed as

Biomedical ResearchEvidence-Based MedicineSystematic Reviews as TopicHumansMeta-Analysis as TopicResearch Designevidence‐based medicinemeta‐analysissystematic reviewumbrella review

Identifiers

PMID41402971
PMCPMC12750496

What Socratic 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 Socratic graph.