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Objective@# To investigate the prevalence and influencing factors of caries among Tibetan primary school students in Maqu County, Gansu Province, so as to provide insights into caries control among children living in ethnic minority areas.@*Methods@# Tibetan primary school students at grades three to six were sampled from two primary schools in Maqu County using a multi-stage cluster sampling method. Primary school students' demographics, dietary habits and oral health habits were collected using questionnaire surveys, and the caries was tested. Factors affecting the development of caries were identified using a multivariable Poisson regression model.@*Results@# A total of 378 Tibetan primary school students were tested, and there were 334 students with caries, with a caries prevalence rate of 86.30%, and a mean caries number of (4.72±2.69) teeth. Multivariable Poisson regression analysis showed that grade (grade 5, IRR=0.791, 95%CI: 0.706-0.886; grade 6, IRR=0.698, 95%CI: 0.593-0.822), frequency of vegetable intake (less than once daily, IRR=0.872, 95%CI: 0.778-0.978; once daily, IRR=0.769, 95%CI: 0.677-0.873; twice and more daily, IRR=0.571, 95%CI: 0.469-0.696), frequency of tooth brushing (once daily, IRR=0.814, 95%CI: 0.734-0.904; twice and more daily, IRR=0.606, 95%CI: 0.521-0.703) and frequency of oral examinations (IRR=0.736, 95%CI: 0.594-0.911) were influencing factors of caries. @*Conclusion @#The prevalence of caries is 86.30% among Tibetan primary school students at grades 3 to 6 in Maqu County, and age, dietary habit and oral health habit are factors affecting the development of caries.
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Objective To understand the infection status and distribution characteristics of human papillomavirus (HPV)in fe-male genital tract in Fengxian district of Shanghai City in order to provide preliminary recommendations for prevention and treat-ment of HPV in this area.Methods The women aged over 1 6 years old receiving HPV testing in the Southern branch Hospital of Shanghai Sixth People′s Hospital From January 2011 to December 2015 were taken as the research subjects and their cervical secre-tions were performed the HPV 21 subtypes detection,among them,1 374 cases underwent colposcopic fixed point biopsy of cervix for determining the pathological grade.Then the data were recorded and analyzed by the SPSS20.0 software.Results Twenty-one HPV subtypes were detected,in which the HPV positive rate was 17.54% (6 313/35 977),and types with high HPV infection rate in these five years were in turn HPV18,HPV52,HPV16,HPVCP8304,HPV58,HPV53,HPV53,HPV53 and HPV58;the HPV positive rate in 1374 cases of cervical lesions was 82.75% (237/1 374),the common types distributions in cervical lesions were HPV16,HPV58,HPV52,HPV18 and HPV31 respectively.Conclusion The HPV infection situation in Fengxian district of Shang-hai City has certain regional characteristics.Then the HPV prevention and treatment strategy suitable for this region may be formu-lated according to the research results.
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Objective To observe the detection value of α-L-fucosidase (AFU) in gestational diabetes mellitus (GDM) and the correlation of AFU with total bile acids (TBA).Methods Anthropometric parameters and serum biochemical indexes were recorded and 75 g OGTT was performed then according to OGTT result,patients with GDM were confirmed and matched the control group by age and BMI.Results The level of AFU in GDM group was higher than that that of normal glucose tolerance (NGT) group and associated with 1 hour postprandial glucose.After correcting ALT and HbA1c,AFU correlated with TBA.Conclusions During pregnancy,AFU has reference value for the diagnosis of GDM and 1 hour postprandial glucose is its independent factor.The rise AFU is combined with the decrease of.DBIL but the increase of TBA and ALP,which indicates bile duct system in patients with GDM is in an active state.
