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Asbestos: Selected Cancers
Reference*
Study Population
Exposed Cases
Estimated RR (95% CI)
Gustavsson et al. 1998
138 pharyngeal cancer cases among male residents of two regions in Sweden (adjusted for smoking and alcohol consumption)
Asbestos (low)
24
1.01 (0.57-1.80)
Asbestos (high)
22
1.08 (0.62-1.91)
Zheng et al. 1992b
115 male oral or pharyngeal cancer cases among residents of Shanghai, China Asbestos, occupational exposure
16
1.81 (0.91-3.60) a
Merletti et al. 1991
86 oral cavity or oropharynx (n = 12) cancer cases among male residents of Turin, Italy (adjusted for smoking and alcohol consumption)
Any exposure
45
1.1 (na)
Probable or definite
3
0.4 (na)
NOTES: CI = Confidence interval; na = not available; RR = relative risk. Data points included in meta-analyses are bolded.
* Full citations can be found in the reference list for Chapter 6 .
a OR and 95% CI calculated with standard methods from observed numbers of exposed cases and controls in original paper.