Journal
AMERICAN JOURNAL OF EPIDEMIOLOGY
Volume 191, Issue 12, Pages 2002-2013Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/aje/kwac141
Keywords
dose-response associations; high-sensitivity C-reactive protein; prospective studies; site-specific cancer mortality
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Funding
- Kangwon National University
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This study examined the association between high-sensitivity C-reactive protein (hsCRP) level and cancer mortality in South Koreans. The results showed a dose-response association between hsCRP and overall cancer mortality in men, but not in women after excluding deaths occurring in the first 1 or 2 years of follow-up. Elevated hsCRP levels increased the risks of lung, liver, and gastric cancer mortality in men.
Few studies have investigated the association between high-sensitivity C-reactive protein (hsCRP) level and site-specific cancer mortality. In this study, we aimed to examine the associations of hsCRP with overall and site-specific cancer mortality among South Koreans using data on the Health Examinees (HEXA) Study cohort (41,070 men and 81,011 women aged >= 40 years). We obtained mortality information from the National Statistical Office of Korea, which provided the dates and causes of all deaths occurring through December 31, 2015, by linking mortality data with each participant's unique national identifier. Cox proportional hazards and restricted cubic spline models were used to assess the association between hsCRP and cancer mortality with adjustment for covariates. An analysis of site-specific cancer mortality was focused on 5 major cancers (lung, liver, gastric, colorectal, and breast/prostate). Median hsCRP levels were 0.77 mg/L and 0.59 mg/L for men and women, respectively. A dose-response association between hsCRP and overall cancer mortality was observed in men but disappeared in women after exclusion of deaths occurring in the first 1 or 2 years of follow-up. Elevated hsCRP levels increased the risks of lung, liver, and gastric cancer mortality in men, but the risks of colorectal and breast cancer mortality were not increased. The dose-response association between hsCRP and cancer mortality was observed differently depending on site-specific cancer mortality by sex.
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