What question did this study set out to answer?

To examine the 10-year mortality profile, primary causes of death, and prognostic risk factors among Japanese patients diagnosed with COPD.

September 1, 2020International Journal of COPDOpen Access

Unique Mortality Profile in Japanese Patients with COPD: An Analysis from the Hokkaido COPD Cohort Study

View Full Paper

Ask AI

Bookmark

Why the study?

Causes of death may be unique in Japanese patients with COPD due to distinct clinical characteristics, prompting an investigation into their detailed mortality profile.

What are the causes of death and risk factors for mortality in Japanese patients with COPD over a 10-year period?

Key Points

To examine the 10-year mortality profile, primary causes of death, and prognostic risk factors among Japanese patients diagnosed with COPD.
Prospective cohort study tracking the 10-year natural history of N=279 Japanese patients with COPD across GOLD stages 1 to 4 (mean age 69 years, predominantly male) in Japan.
Accurate mortality data were obtained for approximately 95% of patients, and statistical analyses evaluated baseline risk factors linked to all-cause mortality.
Over 10 years, 112 patients (40%) died at a mean age of 79 ± 6 years, with a median survival time of 6.1 years (interquartile range: 4.7–7.9 years).
Respiratory diseases including pneumonia represented the primary cause of death in 45 patients (40%), followed by lung cancer in 24 (21%), other cancers in 18 (16%), and cardiovascular diseases in 12 (11%).
Older baseline age, lower body mass index (BMI), and more severe emphysema were identified as significant risk factors for all-cause mortality.

Structured PICO

What are the causes of death and risk factors for mortality in Japanese patients with COPD over a 10-year period?

Population

279 Japanese patients with COPD (GOLD 1, 26%; GOLD 2, 45%; GOLD 3, 24%; and GOLD 4, 5%), majority male, average age 69 years old.

Outcome

Mortality profile (causes of death) over 10 yearshard clinical

In Japanese patients with COPD, respiratory diseases and lung cancer are the leading causes of death, with cardiovascular diseases accounting for only 11% of deaths over a 10-year period.

Discussion

No takes yet. Share an insight, caveat, or question.

Implication

Japanese COPD patients show respiratory and lung cancer deaths predominate with low CV mortality; leaves open whether ethnicity or care patterns explain differences from Western cohorts.

Cite This Study

Makita et al. (2020) studied this question.

synapsesocial.com/papers/6a6f6df25d37378ac1dc7c29 https://doi.org/10.2147/copd.s264437

View Full Paper

Ask AI

Bookmark

Implication

Japanese COPD patients show respiratory and lung cancer deaths predominate with low CV mortality; leaves open whether ethnicity or care patterns explain differences from Western cohorts.

Unique Mortality Profile in Japanese Patients with COPD: An Analysis from the Hokkaido COPD Cohort Study

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Unique Mortality Profile in Japanese Patients with COPD: An Analysis from the Hokkaido COPD Cohort Study

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Also Consider