Effect of birth season on case fatality rate of pulmonary tuberculosis: coincidence or causality?

T. Miura, Hatsuko Kawana, K. Karita, T. Ikegami, T. Katayama

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The effects of birth season on the case fatality rate (CFR) of pulmonary tuberculosis were examined in case records of 9206 patients discharged during 1937-1965 from a national hospital for tuberculosis in Tokyo. The CFR was over 60% until 1945, then it decreased down to less than 9% after 1950. Male cases had little variation in their CFR by their birth season, while female cases had a significant variation and showed a significantly higher CFR than the male cases when they were born in January-June. The results suggest that the birth season had a significant influence on the prognosis of pulmonary tuberculosis.

Original languageEnglish
Pages (from-to)291-294
Number of pages4
JournalTubercle and Lung Disease
Volume73
Issue number5
Publication statusPublished - 1992 Oct
Externally publishedYes

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Microbiology
  • Immunology

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    Miura, T., Kawana, H., Karita, K., Ikegami, T., & Katayama, T. (1992). Effect of birth season on case fatality rate of pulmonary tuberculosis: coincidence or causality? Tubercle and Lung Disease, 73(5), 291-294.