Net survival after exposure to polychlorinated biphenyls and dioxins: The Yusho study

Daisuke Onozuka, Teruaki Hirata, Masutaka Furue

研究成果: ジャーナルへの寄稿学術誌査読

6 被引用数 (Scopus)

抄録

Background: Net survival is an important measure of the overall outcome of disease management. This net survival is the most appropriate for international comparisons of disease impact between countries or time periods with different patterns of all-cause mortality because it is not influenced by other causes of death. However, little information is available on net survival among Yusho patients, who were accidentally exposed to PCBs and other dioxin-related compounds. Methods: We estimated the net survival of 1664 Yusho patients (860 males, 804 females) as Yusho cohort subjects using the unbiased Pohar-Perme method. Results: Among males, 1-, 5-, 10-, and 15-year net survival were 99.5% (95% confidence interval (CI): 97.9, 99.9), 99.1% (CI: 95.0, 99.9), 97.4% (CI: 86.5, 99.5), and 97.4% (CI: 84.2, 99.6), respectively. Among females, net survival remained almost constant. 1-, 5-, 10-, and 15-year net survival were generally higher in females than in males. Conclusions: This study provides the first unbiased estimations of net survival among Yusho patients. We confirmed that older male Yusho patients have experienced a significant decrease in net survival. Our results suggest that the excess hazard of PCBs and dioxins must be taken into account when evaluating unbiased estimates of net survival.

本文言語英語
ページ(範囲)28-32
ページ数5
ジャーナルEnvironment international
73
DOI
出版ステータス出版済み - 12月 2014

!!!All Science Journal Classification (ASJC) codes

  • 環境科学(全般)

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