Evidence map›Paper›PMID 31604465›Full record

SynthesisBMC cancer2019

Tubal ligation and endometrial Cancer risk: a global systematic review and meta-analysis.

Laleh Loghmani, Nafise Saedi, Reza Omani-Samani, Saeid Safiri, Mahdi Sepidarkish, Saman Maroufizadeh, Arezoo Esmailzadeh, Maryam Shokrpour, Esmaeil Khedmati Morasae, Amir Almasi-Hashiani

Open access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in BMC cancer, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 pooled it
1.4field-weighted citation impact, top 17% 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

6 citing papers in PubMed, 1 synthesis or guideline pooled it, 12 citations in OpenAlex.

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

10 authors at 9 institutions in 2 countries.

Laleh LoghmaniDepartment of Nursing, Faculty of Nursing and Midwifery, Bam University of Medical Sciences, Bam, Iran.
Nafise SaediDepartment of Gynecologic Oncology, Tehran University of Medical Sciences, Tehran, Iran.
Reza Omani-SamaniDepartment of Medical Ethics and Law, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.
Saeid SafiriAging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
Mahdi SepidarkishDepartment of Biostatistics and Epidemiology, Babol University of Medical Sciences, Babol, Iran.
Saman MaroufizadehSchool of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran.
Arezoo EsmailzadehDepartment of Obstetrics and Gynecology, Baqiyatallah University of Medical Sciences, Tehran, Iran.
Maryam ShokrpourDepartment of Obstetrics and Gynecology, Arak University of Medical Sciences, Arak, Iran.
Esmaeil Khedmati MorasaeInstitute of Psychology, Health, and Society, Department of Health Services Research, University of Liverpool, Liverpool, UK.
Amir Almasi-HashianiDepartment of Epidemiology, School of Health, Arak University of Medical Sciences, Arak, Iran. Amiralmasi2007@gmail.com.ORCID http://orcid.org/0000-0003-4434-561X
Arak University of Medical Sciences · IRBabol University of Medical Sciences · IRBam University of Medical Sciences · IRBaqiyatallah University of Medical Sciences · IRGuilan University of Medical Sciences · IRRoyan Institute · IRTabriz University of Medical Sciences · IRTehran University of Medical Sciences · IRUniversity of Liverpool · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundStudies on relationship between tubal ligation and endometrial cancer have led to contradictory findings. In several studies, however, a reduced endometrial cancer risk was suggested following tubal ligation. Therefore, a systematic review and meta-analysis was conducted to examine the relationship between tubal ligation and endometrial cancer risk.

methodsIn this systematic review and meta-analysis, PubMed/Medline, Web of Science, Scopus, Embase, and Google Scholar were searched for relevant studies published up to May 30th, 2018. We compared endometrial cancer risk in women with and without tubal ligation in retrieved studies.

resultsTwo hundred nine studies were initially retrieved from the data bases. After exclusion of duplicates and studies which did not meet inclusion criteria, ten cohort and case-control studies, including 6,773,066 cases, were entered into the quantitative meta-analysis. There was 0.90% agreement between two researchers who searched and retrieved the studies. The summary OR (SOR) was reported using a random effect model. Begg's test suggested that there was no publication bias, but a considerable heterogeneity was observed (I

conclusionsThis study revealed a protective effect of tubal ligation on endometrial cancer risk (approximately 42% lower risk of cancer). It is recommended that studies should be designed to reveal mechanisms of this relationship.

Indexed as

AdolescentAdultAgedChi-Square DistributionEndometrial NeoplasmsFemaleHumansIncidenceMiddle AgedOdds RatioRiskSterilization, TubalYoung AdultEndometrial neoplasmsMeta-analysisTubal ligationTubal sterilization

Identifiers

PMID31604465
PMCPMC6788032
OpenAlexW2980073586

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.