Evidence map›Paper›PMID 33441137›Full record

SynthesisWorld journal of surgical oncology2021

The prevalence, risk factors, and prognostic value of venous thromboembolism in ovarian cancer patients receiving chemotherapy: a systematic review and meta-analysis.

Lu Ye, Li Cai, Yonghui Fu, Debao Zhuang, Xiaoqing Hu, Youkun Jie

Open access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in World journal of surgical oncology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
2.4field-weighted citation impact, top 11% 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, 12 citations in OpenAlex.

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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

6 authors at 2 institutions in 1 country.

Lu YeDepartment of Pathology, Jiangxi Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, China.
Li CaiDepartment of Oncology, Jiangxi Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, China.
Yonghui FuDepartment of Psychiatry, Jiangxi Mental Hospital/Affiliated Mental Hospital of Nanchang University, Nanchang, 330029, Jiangxi, China.
Debao ZhuangDepartment of Pathology, Jiangxi Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, China.
Xiaoqing HuDepartment of Oncology, Jiangxi Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, China. clez123@163.com.
Youkun JieDepartment of Pathology, Jiangxi Maternal and Child Health Hospital, Nanchang, 330006, Jiangxi, China. blackwhite121@163.com.
Jiangxi Maternal and Child Health Hospital · CNNanchang University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundVenous thromboembolism (VTE) in ovarian cancer (OC) patients has been widely investigated, but our knowledge on the role of VTE in OC patients receiving chemotherapy is limited. The aim of our study was to investigate the prevalence, risk factors, and prognostic value of chemotherapy-associated VTE in OC.

methodsThree databases (PubMed, Embase, and the Cochrane Library) were systematically searched from inception to October 14, 2020. The primary outcome was the prevalence of VTE in OC patients receiving chemotherapy. The risk factors and prognostic value of VTE were the secondary outcomes. The pooled prevalence of VTE was estimated using the generic inverse-variance method. The statistical heterogeneity was evaluated with Cochran's Q test and I

resultsA total of eleven observational studies with 4759 OC patients were included. The pooled prevalence of VTE was 9% (95% CI, 0.06-0.12) in OC patients receiving chemotherapy. The results of subgroup analysis and sensitivity analysis were basically consistent with the overall pooled estimate. Multiple significant risk factors associated with VTE were also identified including advanced age, D-dimer > 0.5 mg/mL, and tumor diameter > 10 cm. Only two included studies reported the prognostic value of VTE in OC patients receiving chemotherapy, but with inconsistent results. Funnel plot showed that there existed potential publication bias, which was further verified by statistical test, but the results of the trim-and-fill method showed the pooled estimate kept stable after adding two "missing" studies.

conclusionsThis current study revealed that the pooled prevalence of chemotherapy-related VTE in OC was approximately 9% in OC patients. Risk factors for chemotherapy-related VTE were also identified which may contribute to targeting potentially preventative measures for VTE in OC.

Indexed as

Ovarian NeoplasmsVenous ThromboembolismFemaleHumansPrevalencePrognosisRisk FactorsChemotherapyOvarian cancerSystematic reviewVenous thromboembolism

Identifiers

PMID33441137
PMCPMC7807708
OpenAlexW3119501064

What OpenQuestion holds

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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.