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Table 3 Risks of solid cancers in epidemiological studies of nuclear workers

From: Radiation-related occupational cancer and its recognition criteria in South Korea

      Mean    Number of event cases   
Country Study Cohort size Exposure period Follow-up period cumulative dose (mSv) Person years Types of events ERR (95% CI) SMR or SIR (95% CI)
15-country Cardis et al. (2007) [23] 407,391 1943-2000 1943-2000 19.4 5,192,710 Mortality 5,024
4,820
0.97
b(0.27, 1.8)c
0.58
b
(-0.1, 1.39)
a1.03 (0.65, 1.53)
Korea aAhn et al. (2008) [64] 79,679 1984-2004
1984-2004
1992-2004
1989-2005
6.1
6.1
633,159
415,298
Mortality
Morbidity
256
564
7.2
b(-5, 21) 2.6 (-4, 10)b
0.73 (0.64, 0.82)
  Jeong et al. (2010) [65] 8,429 1978-2005 1992-2005 19.86 63,503 Incidence 96 2.06 (-191, 9) 1.06 (0.86, 1.29)
U.K. Muirhead et al. (2009) [63] 174,541 1946-2001 1965-2001 24.9 3,900,000 Mortality
Incidence
7,455
10,855
0.28 (-0.03, 0.62) 0.27 (0.00, 0.56) 0.84 (0.82, 0.86)
U.S. Howe et al. (2004) [66] 53,698 Mid-1960s 1979-1997 25.7 698,051 Mortality 368 0.51 (-2.01, 4.64) 0.65 (0.59, 0.72)
Canada Zablotska et al. (2014) [67] 45,316 1951-1994 1956-1994 21.64 613,648 Mortality 468 1.2
(-0.73, 4.33)
0.72 (0.66, 0.78)
France Flamant et al. (2013) [30] 59,021 1950-2004 1968-2004 16.1 1,467,611 Mortality 2,312 0.34
b(-0.56, 1.38)
-
Germany Merzenich et al. (2014) [68] 8,972 1966-2008 1991-2008 29.5 130,737 Mortality 119 - 0.63 (0.5, 0.8)
Japan Akiba et al. (2012) [28] 200,583 1977-2002 1991-2002 12.2 1,373,000 Mortality 2,636 1.26 (-0.27, 3) -
Russia Shilnikova et al. (2003) [25] 21,557 1948-1997 1948-1997 810 mGy 720,000 Mortality 1,730 0.15
b(0.09, 0.2)
-
  Hunter et al. (2013) [26] 22,366 1948-2004 1948-2004 510 mGy 535,932 Incidence 1,447 0.07 (0.01, 0.15) -
  1. a all cancer; b 90% confidence interval; c 15-country excluding Canada; ERR, excess relative risk; SMR, standardized mortality ratio; SIR, standardized incidence ratio