Evidence map›Paper›PMID 33597037›Full record

SynthesisSystematic reviews2021

Associating the risk of three urinary cancers with obesity and overweight: an overview with evidence mapping of systematic reviews.

Jiyuan Shi, Liang Zhao, Ya Gao, Mingming Niu, Meili Yan, Yamin Chen, Ziwei Song, Xueni Ma, Peng Wang, Jinhui Tian

Open access · goldAbstract readMeta-AnalysisReview
In one paragraph

Synthesis in Systematic reviews, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 2 pooled it
3.1field-weighted citation impact, top 8% 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

8 citing papers in PubMed, 2 syntheses or guidelines pooled it, 16 citations in OpenAlex.

  1. 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

10 authors at 2 institutions in 1 country.

Jiyuan Shi *Evidence-Based Nursing Centre, School of Nursing, Lanzhou University, Lanzhou City, 730000, China.
Liang Zhao *Evidence-Based Nursing Centre, School of Nursing, Lanzhou University, Lanzhou City, 730000, China.
Ya GaoEvidence-Based Medicine Centre, School of Basic Medical Sciences, Lanzhou University, Lanzhou City, 730000, China.
Mingming NiuEvidence-Based Nursing Centre, School of Nursing, Lanzhou University, Lanzhou City, 730000, China.
Meili YanEvidence-Based Nursing Centre, School of Nursing, Lanzhou University, Lanzhou City, 730000, China.
Yamin ChenEvidence-Based Nursing Centre, School of Nursing, Lanzhou University, Lanzhou City, 730000, China.
Ziwei SongEvidence-Based Nursing Centre, School of Nursing, Lanzhou University, Lanzhou City, 730000, China.
Xueni MaThe Second Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou City, 730000, China.
Peng WangSchool of Nursing and Health, Zhengzhou University, Zhengzhou city, 450001, China. upliz@zzu.edu.cn.
Jinhui TianEvidence-Based Nursing Centre, School of Nursing, Lanzhou University, Lanzhou City, 730000, China. tianjh@lzu.edu.cn.
Lanzhou University · CNZhengzhou University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe relationship between cancer with overweight and obesity has been extensively reported. However, the association between urinary cancers with these risk factors remains unclear, with existing reports showing conflicting findings. The current review, therefore, sought to clarify the latter association by assessing the methodological and reporting quality of existing systematic reviews on the subject.

methodsWe first screened PubMed, EMBASE, and Cochrane Library databases for relevant literature and subjected the resulting articles to meta-analysis. We adopted the AMSTAR-2 and PRISMA checklists for assessing methodological and reporting quality, respectively, then performed meta-analyses to determine the relationship between incidence and mortality of three types of urinary cancers with obesity and overweight. Indirect comparisons were also done across subgroups.

resultsAll systematic reviews (SRs) were of critically low methodological quality. Seventeen SRs had minimal reporting flaws, and 11 SRs had minor reporting flaws. We found an association between obesity with an incidence of kidney (RR = 1.68, 95% CI 1.47-1.92), bladder (RR = 1.1, 95% CI 1.07-1.13), and prostate (RR = 1.02, 95% CI 0.91, 1.13) cancers. Similarly, overweight was associated with the incidence of the three types of cancer, recording RR values of 1.37 (95% CI 1.26-1.48), 1.07 (95% CI 1.03-1.1), and 1 (95% CI 0.93, 1.07) for kidney, bladder, and prostate cancers, respectively. With regard to the dose analysis, the RR of BMI (per 5 kg/m

conclusionsThis comprehensive quantitative analysis provides an affirmation that overweight and obesity are strong risk factors for kidney cancer, owing to a strong association between them. Conversely, a weak association between overweight and obesity with bladder and prostate cancers confirms their status as mild risk factors for the 2 types of cancer. But due to the low quality of included SRs, the results need to be interpreted with caution. SYSTEMATIC REVIEW REGISTRATION: PROSPERO CRD42019119459.

Indexed as

NeoplasmsOverweightChecklistHumansMaleObesityResearch ReportCancerMeta-analysisObesityOverweight

Identifiers

PMID33597037
PMCPMC7888186
OpenAlexW3133134218

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.