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Association between obesity and asthma among teenagers

机译：肥胖与青少年哮喘的关联

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CONTEXT AND OBJECTIVE: Obesity and asthma are serious and growing problems. Since adipose tissue produces inflammatory substances, the aim of this study was to estimate the prevalence of asthma among students at schools in S?o José do Rio Preto (Phase 1), and to corroborate the hypothesis for an association between obesity and asthma among these students (Phase 2). DESIGN AND SETTING: Cross-sectional study at Faculdade de Medicina de S?o José do Rio Preto (Famerp). METHODS: The study consisted of two successive and dependent stages. Phase I was a cross-sectional study on 4103 randomly selected students (13-14 years old), to determine the prevalence and severity of asthma. Phase II was an analytical cross-sectional study on 431 students (190 asthmatics and 231 non-asthmatics) from Phase I, to evaluate the hypothesis of an association between obesity measured by the body mass index (BMI) and asthma. To diagnose asthma and obesity, the criteria of the International Study of Asthma and Allergies in Childhood (ISAAC) and the chart from the Centers for Disease Control (CDC; 2000) were used. The data were analyzed using Student's t test. RESULTS: We found that 5.6% of the students analyzed in Phase I were asthmatic. The BMI among the asthmatic students (21.84 kg/m2) was higher than the BMI among the non-asthmatics (21.73 kg/m2), although the p value was 0.766. CONCLUSION: In our study group, we did not find any association between increased BMI and the prevalence of asthma.
机译：背景与目的：肥胖和哮喘是严重且日益严重的问题。由于脂肪组织会产生炎性物质，因此本研究的目的是评估圣何塞杜里约普雷图托市学校中学生的哮喘患病率（第一阶段），并证实肥胖与哮喘之间存在关联的假说学生（第二阶段）。设计与设置：在里约普雷托（Famerp）的Faculdade de Medicina de S？oJosédo Rio进行横断面研究。方法：本研究包括两个连续且相互依赖的阶段。第一阶段是对4103名随机选择的学生（13-14岁）进行的横断面研究，以确定哮喘的患病率和严重程度。第二阶段是对来自第一阶段的431名学生（190名哮喘病患者和231名非哮喘病患者）的分析性横断面研究，以评估通过体重指数（BMI）衡量的肥胖与哮喘之间的关联性假设。为了诊断哮喘和肥胖症，使用了《国际儿童哮喘和过敏研究》（ISAAC）的标准以及疾病控制中心（CDC; 2000）的图表。使用学生t检验分析数据。结果：我们发现在第一阶段分析的学生中有5.6％为哮喘。哮喘学生的BMI（21.84 kg / m2）高于非哮喘学生的BMI（21.73 kg / m2），尽管p值为0.766。结论：在我们的研究组中，我们没有发现BMI升高与哮喘患病率之间存在任何关联。

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