本文分析不同年龄组人群的涂阳新登记率和涂阳登记率在7年内的变化。结果:15～29岁组涂阳新登记率下降显著(P<0.05),30～49岁组变化不显著(P>0.05),50及以上岁组则显著升高(P<0.01)。涂阳登记率三个年岁组均有显著下降(P<0.01)。50及以上岁组人群的涂阳新登记率及涂阳登记率各年度均为最高,反映了肺结核病传染源主要存在于老年人群中。 This article analyzes the different age groups smear new registration rate and smear registration rate within 7 years of change. Results: The registration rate of smear positive in 15 ~ 29 years old group decreased significantly (P <0.05), but not in 30 ~ 49 years old group (P> 0.05), but significantly increased in 50 years old group (P <0.01). Registration rate of smear positive decreased significantly in all three age groups (P <0.01). The prevalence of smear-positive enrollment and smear-positive enrollment in the population aged 50 and over were highest in each of the years, reflecting the prevalence of tuberculosis infection in the elderly population.