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Table 2 Association between ambient UV and HCC incidence (SEER 2000–2014)

From: Ambient ultraviolet radiation exposure and hepatocellular carcinoma incidence in the United States

UV exposure

Cases (n)

Basica

IRR (95% CI)

p

Fully adjustedb

IRR (95% CI)

p

UV (per IQR increase)c

56,245

0.90 (0.81, 0.99)

0.04

0.83 (0.77, 0.90)

<0.01

  1. CI confidence interval, HCC hepatocellular carcinoma, IQR interquartile range, IRR incidence rate ratio, SEER Surveillance, Epidemiology, and End Results, UV ultraviolet radiation
  2. aAdjusted for age at diagnosis, sex, race, year of diagnosis, and SEER registry
  3. bAdditionally adjusted for the following county-level variables: prevalence of heavy alcohol consumption, smoking, obesity, diabetes; median household income; percentage unemployed; urbanicity; PM2.5
  4. cIQR corresponds to 32.4 mW/m2
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Environmental Health

ISSN: 1476-069X