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		题名	作者	年代	出处	被引量
	1	Accuracy of urea breath test in Helicobacter pylori infection: Meta-analysis显示文摘AIM: To quantitatively summarize and appraise the available evidence of urea breath test(UBT) use to diagnose Helicobacter pylori(H. pylori) infection in patients with dyspepsia and provide pooled diagnostic accuracy measures.METHODS: We searched MEDLINE, EMBASE, Cochrane library and other databases for studies addressing the value of UBT in the diagnosis of H. pylori infection. We included cross-sectional studies that evaluated the diagnostic accuracy of UBT in adult patients with dyspeptic symptoms. Risk of bias was assessed using QUADAS(Quality Assessment of Diagnostic Accuracy Studies)-2 tool. Diagnostic accuracy measures were pooled using the random-effects model. Subgroup analysis was conducted by UBT type(13C vs 14C) and by measurement technique(Infrared spectrometry vs Isotope Ratio Mass Spectrometry).RESULTS: Out of 1380 studies identified, only 23 met the eligibility criteria. Fourteen studies(61%) evaluated 13 C UBT and 9 studies(39%) evaluated 14 C UBT. There was significant variation in the type of reference standard tests used across studies.Pooled sensitivity was 0.96(95%CI: 0.95-0.97) andpooled specificity was 0.93(95%CI: 0.91-0.94). Likelihood ratio for a positive test was 12 and for a negative test was 0.05 with an area under thecurve of 0.985. Meta-analyses were associated with a significant statistical heterogeneity that remained unexplained after subgroup analysis. The included studies had a moderate risk of bias.CONCLUSION: UBT has high diagnostic accuracy for detecting H. pylori infection in patients with dyspepsia. The reliability of diagnostic meta-analytic estimates however is limited by significant heterogeneity.	Mazen Ferwana Imad Abdulmajeed Ali Alhajiahmed Wedad Madani Belal Firwana Rim Hasan Osama Altayar Paul J Limburg Mohammad Hassan Murad Bandar Knawy	2015	World Journal of Gastroenterology2015，21，4：	45
	2	Bacillus cereus is common in the environment but emetic toxin producing isolates are rare 显示文摘	ALTAYAR M SUTHERLAND A D	2006	J Appl Microbiol2006，100，1：	1
	3	Psychological therapies in patients with irritable bowel syndrome: a systematic review and meta-analysis of randomized controlled trials显示文摘	Altayar O1 Sharma V2 Prokop LJ3	2015	Gastroenterol Res Pract2015，，54：	1
	4	Rectal Nonsteroidal Anti-inflammatory Drugs Are Superior to Pancreatic Duct Stents in Preventing Pancreatitis After Endoscopic Retrograde Cholangiopancreatography: A Network Meta-analysis显示文摘	Ali Akbar Barham K. Abu Dayyeh Todd H. Baron Zhen Wang Osama Altayar Mohammad Hassan Murad	2013	Clinical Gastroenterology and Hepatology2013，，7：	1
	5	Midodrine for Orthostatic Hypotension: A Systematic Review and Meta-Analysis of Clinical Trials显示文摘	Ajay K. Parsaik Balwinder Singh Osama Altayar Soniya S. Mascarenhas Shannon K. Singh Patricia J. Erwin M. Hassan Murad	2013	Journal of General Internal Medicine2013，，11：	1
	6	Using GRADE for evaluating the quality of evidence in hyperbaric oxygen therapy clarifies evidence limitations显示文摘	Hassan M Altayar O Bennett M	2014	Journal of Clinical Epidemiology2014，67，1：	1

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