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1Interobserver agreement for contrast-enhanced ultrasound of liver imaging reporting and data system:A systematic review and metaanalysis显示文摘BACKGROUND Hepatocellular carcinoma is the most common primary liver malignancy.From the results of previous studies,Liver Imaging Reporting and Data System(LIRADS)on contrast-enhanced ultrasound(CEUS)has shown satisfactory diagnostic value.However,a unified conclusion on the interobserver stability of this innovative ultrasound imaging has not been determined.The present metaanalysis examined the interobserver agreement of CEUS LI-RADS to provide some reference for subsequent related research.AIM To evaluate the interobserver agreement of LI-RADS on CEUS and analyze the sources of heterogeneity between studies.METHODS Relevant papers on the subject of interobserver agreement on CEUS LI-RADS published before March 1,2020 in China and other countries were analyzed.The studies were filtered,and the diagnostic criteria were evaluated.The selected references were analyzed using the“meta”and“metafor”packages of R software version 3.6.2.RESULTS Eight studies were ultimately included in the present analysis.Meta-analysis results revealed that the summary Kappa value of included studies was 0.76[95%confidence interval,0.67-0.83],which shows substantial agreement.Higgins I2 statistics also confirmed the substantial heterogeneity(I2=91.30%,95%confidence interval,85.3%-94.9%,P<0.01).Meta-regression identified the variables,including the method of patient enrollment,method of consistency testing,and patient race,which explained the substantial study heterogeneity.CONCLUSION CEUS LI-RADS demonstrated overall substantial interobserver agreement,but heterogeneous results between studies were also obvious.Further clinical investigations should consider a modified recommendation about the experimental design.Jun Li Ming Chen Zi-Jing Wang Shu-Gang Li Meng Jiang Long Shi Chun-Li Cao Tian Sang Xin-Wu Cui Christoph F Dietrich 2020World Journal of Clinical Cases2020,8,22:2
2Influences of Bentonite on conductivity of composite solid alkaline polymer electrolyte PVA- Bentonite-KOH-H2O显示文摘Sang S B Zhang J F Wu Q M 2007Electrochim Acta2007,52,25:1
3Chromosomal mapping of members of the cdc2 family of protein kinase, cdk3, cdk6,PISSLRE, and PITALRE, and a cdk inhibior, p27kipl; to regions involved in human cancer显示文摘Bullrich F Maclachlan TK Sang NL 1995Cancer Res1995,55,6:1
4Development and characterization of PCR markers in cucumber显示文摘Gennaro F Jack E S Sang M C 2002Hort Sci2002,127,4:1
5Porcine host defense peptides: Expan- ding repertoire and functions 显示文摘Sang Y Blecha F 2009Dev Comp Immunol2009,33,:1
6Drug use evaluation of cefepime in the first affiliated hospital of Bengbu medical college: a retrospective and prospective analysis显示文摘Shi Q Ding F Sang R 2013BMC Infect Dis2013,13,:1
7Isolation and identification ofcytotoxic compounds from bay leaf(Laurus nobilis)显示文摘Fang F Sang S Chen K Y 2005FoodChem2005,93,3:1
8Interracial effect on effective dielectric response of spherical granular composites显示文摘Sang Z F Li Z Y 2004Phys Lett A2004,331,:1
9Memory - based shallow parsing 显示文摘Erik F Sang Tjong Kim 2002Machine Learning Research2002,2,3:1
10Cross-species analysis of the mammalian beta-defensin gene family:presence of syntenic gene clusters and preferential expression in the male reproductive tract显示文摘Patil AA Ca Y Sang Y Blecha F Zhang G 0,,01:1
11Stress and strength analysis of concentric reducers consisting of plates 显示文摘Sang Z F Widem G E O 1988J pres Ves Tech ASME1988,110,:1
12Biofuel production from catalytic cracking of palm oil显示文摘SANG O Y TWAIQ F ZAKARIA R 0,,09:1
13A variable aperture fracture network model for flow and transport in fractured rocks显示文摘Nordqvist A W T sang Y W Tsang C F 1992Water Resources Research1992,28,6:1
14Arsenic trioxide inhibits viability of pancreatic cancer stem cells in culture and in a xenograft model via binding to SHH-GIi 显示文摘Han JB Sang F Chang JJ 2013OncoTargets & Therapy2013,6,8:1
15Biofuel production from catalytic cracking of palm oil 显示文摘Sang O Y Twaiq F Zakaria R 2003Energy Sources2003,25,9:1
16Antimicrobial peptides and bacteriocins: al- ternatives to traditional antibiotics 显示文摘Sang Y Blecha F 2008Anim Health Res Rev2008,9,2:1
17Synergy Effect of Naphthenic Acid Corrosion and Sulfur Corrosion in Crude Oil Distillation Unit显示文摘HUANG B S YIN W F SANG D H 2012Applied Surface Science2012,259,:1
18The relation between periods' identification and noises in hydrologic series data 显示文摘Sang Y F Wang D Wu J C Zhu Q P Wang L 2009Journal of Hydrology2009,368,14:1
19Optimization of Pd content in ZnO microstructures for high-performance gas detection显示文摘HU J GAO F Q SANG S B 2015Journal of Materials Science2015,50,4:1
20Theadibenzotropolone A, a new type pigment from enzymatic oxidation of (-)-Epicatechia and (-)-Epigallocatechin Gallate and characterized from black tea using LC/MS/MS显示文摘Sang S M Tian S Y Meng X F 2002Tetradedron Letters2002,43,:1
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