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  • 1
    ISSN: 1573-7225
    Keywords: cohort studies ; diet ; pancreatic cancer ; tobacco
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objectives: Cigarette smoking is considered an important risk factor for pancreatic cancer, but other purported risk factors are less well established. To learn more about the epidemiology of this important cause of mortality we examined associations with a variety of possible risk factors for death from pancreatic cancer in a large, prospective study of United States adults. Methods: We used proportional hazards models to obtain adjusted estimates of relative risks (hazards ratios). During 14 years of follow-up, 3751 persons died of pancreatic cancer in a cohort of 483,109 men and 619,199 women who had no reported history of cancer at enrollment in 1982. Results: Cigarette smoking at baseline was associated with fatal pancreatic cancer among men (multivariate relative risk [RR] = 2.1, 95% confidence interval [CI] 1.9–2.4) and among women (RR = 2.0, 95% CI 1.8–2.3). A trend in risk was observed with increasing number of cigarettes smoked per day among current smokers at baseline. With several variables included in separate models for men and women, we found additional factors to be predictive of pancreatic cancer mortality, including family history of pancreatic cancer, black race, diabetes, and increased body mass index. History of gallstones was predictive of pancreatic cancer among men. An inverse association with vegetable consumption was observed among men, that was not statistically significant. Conclusion: Our findings confirm that cigarette smoking is an important predictor of pancreatic cancer mortality, and identify several other factors that may contribute to increased risk.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-7225
    Keywords: breast cancer ; colon cancer ; lung cancer ; neoplasm ; prostate cancer ; surveillance ; treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: At a time when the population is aging and medical practices are rapidly changing, ongoing surveillance of surgical treatments for cancer is valuable for health services planning. Methods: We used data from the National Hospital Discharge Survey for patients with discharge diagnoses of lung, prostate, female breast, and colorectal cancer during 1988–95 to estimate population-based rates and numbers of inpatient surgical procedures. Results: In 1988–91, rates of lobectomy for lung cancer were significantly higher in males than females. By 1994–95, the male/female differences had largely disappeared due to increasing trends among females and decreasing trends among males. During 1988–95, surgeries on the large intestine for colorectal cancer, including right hemicolectomy and sigmoidectomy, decreased significantly, as did abdominoperineal resections of the rectum. Anterior resections of the rectum increased significantly. Radical prostatectomies for prostate cancer increased from 34,000 in 1988–89 to 104,000 in 1992–93 and then decreased to 87,000 in 1994–95; rates followed a similar pattern. Finally, the number and rates of inpatient mastectomies for female breast cancer decreased over the study period (from 219,000 to 180,000 and from 78.8 to 61.5 per 100,000, respectively). Conclusion: These trends in inpatient surgeries for the major cancers in the US probably reflect changes in disease occurrence and modified treatment recommendations.
    Type of Medium: Electronic Resource
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