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Objective@#To investigate oral health related life quality and associated factors of senior primary school students in Bengbu City, so as to provide scientific basis for targeted oral health education for children.@*Methods@#A stratified cluster random sampling method was adopted to select 1 760 senior students (grade 5 to 6) from 12 primary schools in 4 districts of Bengbu City from September to November 2022. A cross sectional survey was conducted on the oral health of students through questionnaires related to oral health. The effect of oral problems on quality of life was assessed by the Child Daily Life Oral Influence Scale (Child-OIDP). Chi square test, non parametric test and binary Logistic regression model were used to analyze the influencing factors of oral health related quality of life in senior primary school students.@*Results@#The prevalence of oral problems affecting the quality of daily life was 70.00%, and the severe impact rate was 15.06%. Oral feeding was the most affected (57.95%). The Child-OIDP score was (7.49±8.57). Binary Logistic regression analysis showed that mother s education level, self rated teeth and oral conditions, bruised tooth, toothache in the past year, and gingival bleeding in the past 2 weeks were significantly associated with the incidence of Child-OIDP ( OR=1.86-5.00, P <0.05).@*Conclusion@#It is common that oral problems affect the quality of daily life of senior primary school students in Bengbu. Families and schools should strengthen oral health knowledge education and behavior guidance, so as to reduce the impact of oral problems on daily life among senior primary school students.
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Summary Objective: To investigate the diagnostic criteria of mediastinal lymph node metastasis (MLNM) in esophageal carcinoma (EC) by comparing the lymph node sizes measured by computed tomography (CT) and obtained by postoperative pathological examination. Method: A total of 305 EC patients were selected. MLNM location, shortest diameter and number were investigated one week before surgery, and then compared with their pathological findings. Results: The receiver operating characteristic (ROC) curve analysis revealed that the minimum diameters of MLNM in the thoracic cavity was 8 mm (area under curve [AUC] = 0.766, Youden index = 0.424), 5 mm in supraclavicular fossa (AUC = 0.785, Youden index = 0.494), 6 mm in tracheoesophageal groove (AUC = 0.755, Youden index = 0.405); the sensitivity was increased significantly, and the Youden index was increased significantly when compared with 10 mm. Conclusion: The shortest diameter of diagnostic criteria of lymph nodes in EC could be less than 10 mm on CT.