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目的探讨新疆部分地区慢性阻塞性肺疾病(COPD)患病率与体质量指数(BMI)的相关性。方法采用统一的流行病学调查表,以整群随机抽样的方法抽取2007年至2010年新疆南部和北部农村常住人口3124人为调查对象,进行问卷调查和肺功能检测。取资料完整且肺功能检查合格的2874份问卷进行分析。采用单因素和卡方检验分析。结果新疆农村地区COPD的总患病率为7.5%;其中男性1289人,女性1585人,男性患病率为6.4%,女性患病率为4.1%。男性高于女性,差异有统计学意义(χ2=20.659,P=0.0001));低BMI的人COPD患病率高,差异有统计学意义(χ2=7.471,P=0.024)。结论新疆南部和北部35岁以上人群COPD的患病率为7.5%,BMI与COPD的发病率有一定的相关性。
Objective To investigate the relationship between the prevalence of chronic obstructive pulmonary disease (COPD) and body mass index (BMI) in some areas of Xinjiang. Methods A unified epidemiological questionnaire was used to select 3,124 permanent residents from rural areas in southern and northern Xinjiang from 2007 to 2010 by random sampling method. The questionnaires and pulmonary function tests were performed. 2874 questionnaires with complete data and qualified pulmonary function tests were analyzed. Using single factor and chi-square test analysis. Results The overall prevalence of COPD in rural areas in Xinjiang was 7.5%. There were 1289 males and 1585 females, with a prevalence rate of 6.4% in males and 4.1% in females. The difference was statistically significant (χ2 = 20.659, P = 0.0001). The prevalence of COPD in low BMI patients was significantly higher than that of the controls (χ2 = 7.471, P = 0.024). Conclusion The prevalence of COPD in the population over 35 years old in southern and northern Xinjiang is 7.5%. There is a certain correlation between BMI and the incidence of COPD.