宣威地区改炉改灶干预措施预防肺癌效果评价

Prinary Prevention Strategy and Reductbn of Lung Cancer Risk In terventbn Effdect Assessmetn of the Stovehp roves ment in Xuanwei County

摘要: 为探讨改炉改灶干预措施对降低宣威地区肺癌发病率的效果，1992年进行了一次回顾性队列研究。改灶措施Ⅰ及措施Ⅱ均与肺癌发病率下降有较强的联系，其降低的程度大致与改灶时的年龄成反比。一生烧烟煤，在≤30岁、31～50岁以及≥51岁开始改灶与一生中未改灶的人群比较，男性患肺癌的相对危险度RR值分别为0.42、0.66及0.75,女性分别为0.42、0.66及0.66(以未改灶组为参照组，即其RR值为1.0.男、女性在改灶后患肺癌危险性下降的程度相似。

Abstract: To assess the effects of stove improveanents on lung caner risk,a retorspective cohort study was conducted in 1992.Improvements 1 and 2 were both assoelated wlth lung cancer risk reduction.The degree of reduction was similar in men and women,was some what greater with Improveanent.