北京市城区结核病死亡专率在1949年刚解放时是很高的,以后即逐年下降,到1958年已降到1949年的19.9％。在1949年时,按年龄组的结核病死亡率曲线呈现出两个高峰,一个是20～30岁组,一个是0～4岁组。这种典线代表结核病死亡严重的情总。而1958年曲线的样型完全不同于1949年,只有一个高峰,而且后移到60岁以上的年龄组。这种样型变化表示结核病死亡显著好转的情况(图1)。50岁以上年龄组的结核 The death rate of tuberculosis in Beijing city was very high when it was first liberated in 1949 and then decreased year by year. By 1958, it dropped to 19.9% ​​of 1949. In 1949, the age-specific curve of tuberculosis mortality showed two peaks, one in the 20-30 age group and one in the 0-4 age group. This code represents the serious death toll of tuberculosis. The 1958 curve was completely different from the 1949 model, with only one peak, and later moved to the age group of over 60 years. This pattern change indicates a significant improvement in tuberculosis death (Figure 1). Tuberculosis in people over age 50