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| 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 | High Th1/Th2 ratio in patients with multiple myeloma显示文摘 | Hatsue Ogawara Hiroshi Handa Tohru Yamazaki Takuma Toda Kensuke Yoshida Natsumi Nishimoto Wedad Hamdi Saleh Al-ma’Quol Yoriaki Kaneko Takafumi Matsushima Norifumi Tsukamoto Yoshihisa Nojima Morio Matsumoto Morio Sawamura Hirokazu Murakami | 2004 | Leukemia Research2004，，2： | 3 |
| 3 | The importance of ordering in sequential auctions显示文摘 | Wedad Elmaghraby | | 0，，05： | 1 |
| 4 | Dynamic pricing in the presence of inventory considerations:Research overview,Current practices,and Future direction显示文摘 | WEDAD ELMAGHRABY PINAR KESKINOCAK | 2003 | Management Science2003，49，10： | 1 |
| 5 | Recommendations for Human Epidermal Growth Factor Receptor 2 Testing in Breast Cancer: American Society of Clinical Oncology/College of American Pathologists Clinical Practice Guideline Update显示文摘 | Antonio C. Wolff M. Elizabeth H. Hammond David G. Hicks Mitch Dowsett Lisa M. McShane Kimberly H. Allison Donald C. Allred John M.S. Bartlett Michael Bilous Patrick Fitzgibbons Wedad Hanna Robert B. Jenkins Pamela B. Mangu Soonmyung Paik Edith A. Perez Mi | 2013 | Journal of Clinical Oncology2013，，： | 1 |
| 6 | Pattern of metastatic spread in triple-negative breast cancer显示文摘 | Rebecca Dent Wedad M. Hanna Maureen Trudeau Ellen Rawlinson Ping Sun Steven A. Narod | 2009 | Breast Cancer Research and Treatment2009，，2： | 1 |
| 7 | Dynamic Pricing in the Presence of Inventory Considerations:Research Overview Current Practices and Future Directions显示文摘 | Wedad Elmaghraby Pinar Keskinocak | 2003 | Management Science2003，49，10： | 1 |
| 8 | Dynamic pricing in the presence of inventory considerations: Research overview, current practices and future direction显示文摘 | Wedad E Pinar K | 2003 | Management Science2003，49，10： | 1 |
| 9 | Dynamic pricing in the presence of in- ventory considerations : Research overview, current prac- tices and future direction 显示文摘 | Wedad E Pinar K | 2003 | Management Science2003，49，10： | 1 |
| 10 | Pattern of metastatic spread in triple-negative breast cancer 显示文摘 | Rebecca D Wedad M Manreen T | 2009 | Breast Cancer Res Treat2009，115，2： | 1 |
| 11 | Dynamic Pricing in the Presence of Inventory considerations:Research Overview,Current Practices,and Future Directions显示文摘 | WEDAD ELMAGHRABY P K | 2003 | Management Science2003，49，10： | 1 |
| 12 | Dynamic pricing in the presence of inventory considerations: Research overview, Current practices and Future direction 显示文摘 | Wedad Elmaghraby Pinar Keskinocak | 2003 | Management Science2003，49，10： | 1 |
| 13 | Matched biopsy and resection specimens of gastric and gastroesophageal adenocarcinoma show high concordance in HER2 status显示文摘 | Tao Wang Eugene T. Hsieh Pauline Henry Wedad Hanna Catherine J. Streutker Andrea Grin | 2013 | Human Pathology2013，，： | 1 |
| 14 | Dynamic pricing in the presence of inventory considerations:research overview,current practices and future direction显示文摘 | Wedad E Pinar K | 2003 | Management Science2003，49，10： | 1 |
| 15 | HER2 testing in gas- tric cancer: a practical approach 显示文摘 | JOSEF R WEDAD H MICHAEL B | 2012 | Mod Path2012，25，5： | 1 |
| 16 | Prognostic and Predictive Molecular Markers in DCIS: A Review显示文摘 | Sharon Nofech-Mozes Jacqueline Spayne Eileen Rakovitch Wedad Hanna | 2005 | Advances in Anatomic Pathology2005，，5： | 1 |
| 17 | Design- ing optimal preannounced markdowns in the presence of ratio- nal customers with multiunit demands 显示文摘 | Elmaghraby Wedad Giilcii Altan Keskinocak Pinar | 2008 | Manufacturing & Ser- vice Operations Management2008，10，1： | 1 |
| 18 | Dynamic pricing in the presence of inventory considerations: Research overview, current practices, and future directions显示文摘 | Wedad E Pinar K | 2003 | Management Science2003，49，10： | 1 |
| 19 | Organochlorines and breast cancer risk by receptor status, tumor size, and grade (Canada)显示文摘 | Christy G. Woolcott Kristan J. Aronson Wedad M. Hanna Sandip K. SenGupta David R. McCready Ernest E. Sterns Anthony B. Miller | 2001 | Cancer Causes and Control2001，，5： | 1 |
| 20 | RT-PCR amplification of CK19 mRNA in the blood of breast cancer patients: correlation with established prognostic parameters显示文摘 | Harriette J. Kahn Lu-Ying Yang John Blondal Lavina Lickley Claire Holloway Wedad Hanna Steven Narod David R. McCready Arun Seth Alexander Marks Alexander Marks | 2000 | Breast Cancer Research and Treatment2000，，2： | 1 |
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