Particulate Matter Exposure after a Cancer Diagnosis and All-Cause Mortality in a Regional Cancer Registry-Based Cohort in South Korea

Sang-Yong Eom, Yong-Dae Kim () and Heon Kim
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Sang-Yong Eom: Department of Preventive Medicine, College of Medicine, Chungbuk National University, Cheongju 28644, Korea
Yong-Dae Kim: Department of Preventive Medicine, College of Medicine, Chungbuk National University, Cheongju 28644, Korea
Heon Kim: Department of Preventive Medicine, College of Medicine, Chungbuk National University, Cheongju 28644, Korea

IJERPH, 2022, vol. 19, issue 16, 1-8

Abstract: Although particulate matter (PM) is a Group 1 carcinogen, few studies have evaluated the effect of PM exposure after a cancer diagnosis on survival. Herein, we evaluated the effect of exposure to ambient PM 10 after a cancer diagnosis on survival using data from the Regional Cancer Registry cohort in Chungbuk Province, Korea. A total of 44,432 patients with cancer who survived for >1 year after being diagnosed between 2005 and 2018 were followed until 31 December 2019; there were 32,734 survivors (73.7%) and 11,698 deceased (26.3%). The average follow-up period was 67.7 months, and the cumulative average concentration of PM 10 exposure of patients with cancer after a diagnosis was 49.0 µg/m 3 . When PM 10 concentration increased by 1 standard deviation (5.2 µg/m 3 ), the all-cause mortality risk increased 2.06-fold (95% CI: 2.02–2.11). This trend was most pronounced in the younger patient group and in patients with local-stage cancer. This study demonstrates that exposure to PM 10 after cancer diagnosis might influence the survival of patients with cancer, requiring environmental preventive measures such as lower pollutant exposure.

Keywords: particulate matter; cancer; patient survival; all-cause mortality (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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