Association between coffee and green tea intake and pneumonia among the Japanese elderly: a case-control study.

ABSTRACT: A large prospective cohort study in the United States examined the association between coffee intake and overall and cause-specific mortality and showed a inverse association between pneumonia and influenza deaths and coffee intake. In Japan, the mortality rate of pneumonia in elderly people is high, and its prevention is an important issue. The present study investigated the association between coffee and green tea intake and pneumonia among the elderly. The design was a hospital-based case control study. The cases were patients over 65 years old newly diagnosed as pneumonia. As a control, patients with the same sex and age (range of 5 years) who visited the same medical institution around the same time (within 2 months after examination of the case) for a disease other than pneumonia wer

SUBMITTER: Kondo K 

PROVIDER: S-EPMC7946905 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature