Immunoglobulin G4 in differentiating autoimmune pancreatitis from pancreatic cancer: a systemic review and meta-analysis
- Author:
- No author available
- Journal Title:
- Chinese Journal of Pancreatology
- Issue:
- 2
- DOI:
- 10.3760/cma.j.issn.1674-1935.2016.02.010
- Key Word:
- 胰腺炎;自身免疫疾病;免疫球蛋白G4;诊断,鉴别;Meta分析;Pancreatitis;Autoimmune diseases;Immunoglobulin G4;Diagnosis differential;Meta-analysis
Abstract： Objective To evaluate the role of serum immunoglobulin G4 (IgG4) in differentiating autoimmune pancreatitis (AIP) from pancreatic cancer(PC).Methods The database,including Medline,EMBASE,Science Direct,Springer link,CBM,Wanfang,VIP and Cnki were searched by computer and the publication date was before April 1,2015.The studies on evaluating the accuracy of IgG4 in differentiating AIP from PC were screened and selected according to strict determined inclusion and exclusion criteria.Quality assessment was made by QUADAS scale.The publication bias were assessed by Stata12.0 software.The heterogeneity of included articles,calculate the pooled sensitivity,specificity,positive likelihood,negative likelihood were anylyzed by Meta-Disc1.4 software,respectively,and draw the summary ROC (SROC) curve.Results A total of 13 English articles were included and 1403 patients were involved.The pooled sensitivity was 74％ (95％ CI 70％ ～ 78％),the pooled specificity was 93％ (95％ CI 91％ ～ 95％),the positive likelihood ratio was 10.74 (95％ CI 7.16 ～ 16.11),the negative likelihood ratio was 0.25 (95％ CI 0.17 ～0.35) and the area under SROC curve was 0.9340.Conclusions IgG4 has high diagnostic efficacy but low misdiagnosis rate in differentiating AIP from PC,which can be used as one of early diagnostic markers for AIP.
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