日本におけるコーホルト累積結核死亡率の検討

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概要

• 論文の詳細を見る

• The changes of tuberculosis mortality in Japan were observed on 23 successive cohorts born from 1915 to 1959, analyzing the age specific cohort mortality rates and their accumulations calculated by life-table procedure.<BR>The following results were obtained from these observations.<BR>1. The age distribution of the mortality from t u berculosis showed the common pattern among the generations born before 1930, rising up from the age of puberty followed by the peak at early adult age and finally falling down in old ages. Such pattern, however, changed in younger generations born after 1930, particularly in those born after 1936, which were at the highest rates of the mortality from tuberculosis at the age under 5 years. One of the main factors influencing upon the change of age pattern was reasonably thought to be the development of chemotherapeutics.<BR>2. The accumulated mortality rates from tuberculosis increased rapidly in younger ages almost identically among each generation born before 1928, but more and more gradually in generations born from 1929 to 1959. Such factors as BCG vaccination, improvement of living standard and chemotherapy may have caused these changes.<BR>3. Sex difference of the accumulated mortality rate from tuberculosis was observed. The rates in male which were lower than those of female in young ages exceeded female at age 25or later in the generations born before 1924. For the generations born between 1927 and 1939, the rates in male did not exceed those in female, and no significant difference were found between both sex in the generations born after 1940. Such fact suggested that male was benefited by the chemotherapeutics much more than the female.<BR>4. The accumulated mortality rates from tuberculosis at 15 years of age were found to be in decrease even in the generations before the popularization of BCG vaccination.<BR>5. A proportion of the death due to tuberculosis under 20 years o f age among those under 40 years was constantly higher in female than male in all generations. This may be partly related to the difference of physiological resistance between both sex.

• 日本結核病学会の論文

著者

• 重松 逸造

  国立公衆衛生院

• 柳川 洋

  国立公衆衛生院疫学部

• 柳川 洋

  国立公衆衛生院

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