Evaluation of excess colorectal cancer incidence among workers involved in the manufacture of polypropylene.

@article{Acquavella1988EvaluationOE,
  title={Evaluation of excess colorectal cancer incidence among workers involved in the manufacture of polypropylene.},
  author={John Acquavella and T S Douglass and Stephen C. Phillips},
  journal={Journal of occupational medicine. : official publication of the Industrial Medical Association},
  year={1988},
  volume={30 5},
  pages={438-42}
}
In response to reports of an unusually high number of colorectal cancers among employees on a unit devoted to the manufacture of polypropylene, we examined colorectal cancer incidence rates for 335 workers with at least 6 months employment on this unit from 1960 to 1985. Assuming a 10-year latent period, we found a significant 5.6-fold colorectal cancer excess (7 observed/1.26 expected, standardized incidence ratio (SIR) = 5.6, 95% confidence interval (CI) 2.2 to 11.5), concentrated among… CONTINUE READING

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