Evidence map›Paper›PMID 28264519›Full record

SynthesisInternational journal of environmental research and public health2017

The Disease Burden and Clinical Characteristics of Inflammatory Bowel Disease in the Chinese Population: A Systematic Review and Meta-Analysis.

Xue Li, Peige Song, Jun Li, Yuchang Tao, Guowei Li, Xiumin Li, Zengli Yu

Abstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in International journal of environmental research and public health, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed, 1 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

48 citing papers in PubMed, 1 synthesis or guideline 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

7 authors.

Xue LiSchool of Public Health, Xinxiang Medical University, Xinxiang 453003, China. xue.li@ed.ac.uk.
Peige SongSchool of Public Health, Xinxiang Medical University, Xinxiang 453003, China. p.song@sms.ed.ac.uk.
Jun LiThe 153 Hospital of People's Liberation Army, Zhengzhou 450001, China. shuaidexue@126.com.
Yuchang TaoSchool of Public Health, Xinxiang Medical University, Xinxiang 453003, China. yuyuzaijia@163.com.
Guowei LiDepartment of Clinical Epidemiology & Biostatistics, McMaster University, Hamilton, ON L8S 4L8, Canada. lig28@mcmaster.ca.
Xiumin LiDepartment Gastroenterology, the First Affiliated Hospital of Xinxiang Medical University, Xinxiang 453003, China. lxm3029981@126.com.
Zengli YuSchool of Public Health, Xinxiang Medical University, Xinxiang 453003, China. yuzengli@outlook.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The temporal trend of inflammatory bowel disease (IBD) incidence is reported to be increasing in worldwide regions; however, reports focusing on China are sparse. The aim of this study was to provide an overview of the disease burden and clinical features of IBD in the Chinese population. We searched Medline, EMBASE, and another two Chinese databases. A parallel literature review and data extraction were conducted. Meta-analysis was performed to estimate the summary incidence rate of Crohn's disease (CD) and ulcerative colitis (UC). The constituent ratios with 95% CI were calculated for clinical phenotypes and classifications. The literature review included 47 publications. The summary incidence rate of IBD was 1.74 (95% CI: 1.08; 2.40) per 100,000 person years, and the corresponding incidence rates of CD and UC were 0.40 (95% CI: 0.23; 0.57) and 1.18 (95% CI: 0.81; 1.56) per 100,000 person years, respectively. The sex distribution analysis indicated a male predominance in both CD (sex ratio: 1.64; 95% CI: 1.47-1.84) and UC (sex ratio: 1.29; 95% CI: 1.21-1.38). The clinical characteristics were summarized using data from 2283 CD cases and 17,958 UC cases; in which the majority of CD patients were diagnosed between 17-40 years of age, with non-stricturing and non-penetrating disease, varied disease locations, and less extra-intestinal manifestation. UC cases were featured with later disease diagnosis, a more severe disease course, more segmental lesions, and less extra-intestinal manifestations. Our study provided an estimated disease burden of IBD and demonstrated distinct clinical features in the Chinese population. Large-scale population-based studies are needed to further evaluate these findings.

Indexed as

Asian PeopleChinaColitis, UlcerativeCrohn DiseaseHumansCrohn’s diseaseepidemiologyinflammatory bowel diseasephenotypesulcerative colitis

Identifiers

PMID28264519
PMCPMC5369074

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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.