空气污染对小学生肺功能影响调查

Investigation of the effect of air pollution on pulmonary function of primary school students

目的探讨不同空气污染程度区域小学生肺功能差异。方法从不同空气污染程度的两区各选取一所小学,选择3~5年级各一个班级的全部学生作为研究对象,共303名,进行肺功能检测。结果轻污染区A校学生与重污染区B校学生用力肺活量(FVC)、第一秒内所呼出的最大气量(FEV1)、呼气峰流速(PEF)、用力呼出25%肺活量的呼气流速(FEF25)、用力呼出75%肺活量的呼气流速(FEF75)差异无统计学意义(P>0.05)。年龄分组后,10岁~年龄段A、B两校学生FVC分别为(2.20±0.33)L、(2.07±0.32)L;FEV1分别为(1.92±0.28)L、(1.80±0.29)L;PEF分别为(3.58±0.79)L/s、(3.28±0.65)L/s,差异均有统计学意义(P<0.05)。结论大气污染和小学生肺功能降低有关,应采取多种有效措施改善空气质量。

Objective To investigate the pulmonary function of primary school students in ,wo different air pollution areas. Methods The pulmonary function test was performed for 303 students cluster sampled in one class from each grade 3 - 5 in two primary schools. Results There was no statistical difference in the FVC, FEV1, PEF, FEF25,FEF75 between the students in school A（ light pollution area） and school B（ heavy pollution area） （ P 〉 0. 05 ）. There was statistical difference in FVC [ （ 2. 20 ± 0. 33 ） L, （2. 07±0.32）L], FEVl[（1.92±0.28）L,（1.80±0.29）L], PEF[（3.58 ±0.79）L/s,（3.28 ± 0. 65 ） L/s] between the students of age 10 - in school A and school B （ P 〈 0. 05 ）. Conclusion The pulmonary function of the primary students was associated with the air pollution. Effective measures should be taken to improve air quality.