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| 1 | Seroepidemiology of Helicobacter pylori infection in elderly people in the Beijing region, China显示文摘AIM:To investigate seroepidemiology of cagA+and vacA+strains of Helicobacter pylori(H.pylori)in an elderly population in Beijing and to determine risk factors for seropositivity.METHODS:A total of 2006 elderly persons(>60years)were selected using a random cluster sampling method in different parts of the Beijing area(urban,suburban and mountainous districts).Structured questionnaires were completed during home visits,including history of H.pylori infection,history of gastrointestinal diseases,diet types,hygiene habits,occupation and economic status.Blood samples(2 mL)were collected from each participant,and serum IgG antibodies to cagA,vacA and H.pylori urease antigens were measured by immunodetection.RESULTS:The prevalence of H.pylori infection in elderly subjects was 83.4%and the typeⅠH.pylori strain infection rate was 56%.The seroprevalence for typeⅠH.pylori strain infection in urban and suburbandistricts was higher than that in the mountainous areas(P<0.001).Elderly subjects who had previously performed manual labor or were in the young-old age group(age<75 years)had a higher seroprevalence of H.pylori infection than those who had previously performed mental labor or were in the oldest-old age group(age≥75 year)(P<0.05).The typeⅠH.pylori strain infection rate in the elderly with vegetarian diets was higher than in those eating high-protein foods(P<0.001).There was no significant difference in the prevalence of H.pylori strains between male and female elderly participants(P>0.05).CONCLUSION:TypeⅠH.pylori seroprevalence is higher in elderly people.The distribution of strains of H.pylori is significantly affected by age,area and dietary habits. | Mei Zhang Ying-Zhi Zhou Xiao-Ying Li Zhe Tang Hong-Ming Zhu Yan Yang Jagadish K Chhetri | 2014 | World Journal of Gastroenterology2014，20，13： | 17 |
| 2 | Optically controllable side-polished fiber attenuator with photoresponsive liquid crystal overlay显示文摘 | HSIAO V K S LI Zhen CHEN Zhe | 2009 | Optics Express2009，17，19： | 1 |
| 3 | Fast joins using join indices显示文摘 | Li Zhe Ross K A | 1999 | VLDB J1999，8，1： | 1 |
| 4 | Power Electronics as Efficient Interface in Dispersed Power Generation Systems 显示文摘 | Frede B Zhe C Soever B K | 2004 | IEEE Trans on Power Electronics2004，19，5： | 1 |
| 5 | Optically tunable chirped fiber Bragg grating 显示文摘 | Li Zhen Chen Zhe V K S Hsiao | 2012 | Opt Express2012，20，10： | 1 |
| 6 | Optically tunable microfiber-knot resonator 显示文摘 | Chen Zhe V S K Hsiao Li Xiaoqing | 2011 | Opt Express2011，19，14： | 1 |
| 7 | A new scheme for automated 3D PDM construction using deformable models 显示文摘 | ZHE E Z EAM K T | 2008 | Image and Vision Computer2008，26，2： | 1 |
| 8 | Power electronics as efficient interface in dispersed power generation systems显示文摘 | Frede B Zhe C Soever B K | | 0，，05： | 1 |
| 9 | Improvement of mechanical properties in SUS304L steel through the control of bimodal microstructure characteristics显示文摘 | ZHANG Zhe VAJPAI S K ORLOV D | 2014 | Materials Science and Engineering A2014，598，： | 1 |
| 10 | Bayesian sequential state estimation for MIMO wireless communications显示文摘 | S Haykin K Huber Chen Zhe | 2004 | Proceedings of the IEEE2004，92，3： | 1 |
| 11 | Power Electronics as Efficient Interface in Dispersed Power Generation Systems显示文摘 | Frede Blaabjerg Chen Zhe Soeren B K | | 0，，05： | 1 |
| 12 | Bayesian Sequential State Estimation for MIMO Wireless Communications显示文摘 | Hayk I S Huber K Chen Zhe | 2004 | Proceeding of IEEE2004，92，03： | 1 |
| 13 | Is the nonradiative decay of 1 Cis-stilbene due to the dihydrophenanthrene isomerization channel-sug-gestive evidence from photophysical measurements on 1,2- diphenylcycloalkenes显示文摘 | Petek H Yoshihara K Fujiwara Y Zhe L Penn J H Frederick J H | 1990 | Journal of Physical Chemistry1990，94，19： | 1 |
| 14 | Fast joins using join indices显示文摘 | LI Zhe ROSS K A | 1999 | The VLDB Journal1999，8，1： | 1 |
| 15 | A lon- gitudinal study显示文摘 | Long SD O'Brien K Macdonald KG Weight loss in severely obese subjects prevents zhe progression of impaired glucose tolerance to type 11 diabetes | 1994 | Diabetes Care1994，17，： | 1 |
| 16 | Facile preparation of 2-nitroketones from enot silylethers 显示文摘 | Rajendra Rathote Zhe Lin Jay K Kochi | 1993 | Tetra Lett1993，34，： | 1 |
| 17 | Study on the spatial fil- tering and sensitivity characteristic of inserted electrostat- ic sensors for the measurement of gas-solid two-phase flow parameters 显示文摘 | Zhe K Xiao-lei W Shu-jiang Z | 2013 | Flow measurement and instrumenta- tion2013，30，： | 1 |
| 18 | High-performance liquid chromatography with on-line post-column immunoreactions detection of dioxin and its metabolites based on fluorescence energy transfer in the far-red spectral region显示文摘 | Kerstin A G Zhe T H Thomas K | 2000 | Journal of Chromatography B2000，745，： | 1 |
| 19 | Stochastic dynamic analysis of inelastic structures using force analogy method 显示文摘 | Wang Zhe Wong Kevin K F | 2007 | Journal of Engineering Mechanics2007，133，4： | 1 |
| 20 | Power electronics as efficient intcrface in dispersed power generation systems显示文摘 | FREDE B ZHE C SOEVER B K | | 0，，05： | 1 |
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