Risk of Advanced Colorectal Neoplasia According to Age and Gender
2011

Gender Differences in the Risk of Advanced Colorectal Neoplasia

Sample size: 625918 publication 10 minutes Evidence: high

Author Information

Author(s): Kolligs Frank T., Crispin Alexander, Munte Axel, Wagner Andreas, Mansmann Ulrich, Göke Burkhard

Primary Institution: University of Munich, Munich, Germany

Hypothesis

Does the risk of advanced adenoma differ by age and gender in the general population?

Conclusion

Men are at a higher risk of advanced neoplasia than women at any age, suggesting that screening should start earlier for men.

Supporting Evidence

  • Advanced neoplasia was found in 4.6% of women and 8.6% of men.
  • Male sex was associated with an odds ratio of 1.95 for advanced neoplasia.
  • More colonoscopies were needed in women than in men to detect advanced adenoma or cancer.

Takeaway

This study found that men are more likely to have serious problems in their intestines than women, so they might need to get checked earlier.

Methodology

Data from 625,918 outpatient colonoscopies in Bavaria were analyzed using logistic regression to assess age- and gender-specific risks.

Potential Biases

Potential bias from not including privately insured patients and those in hospitals.

Limitations

Family history data was less detailed, and the study may underestimate advanced neoplasia due to exclusions in the data.

Participant Demographics

Participants were aged 18 to 79, with 363,200 females and 262,718 males.

Statistical Information

P-Value

<0.0001

Confidence Interval

95% CI: 1.91 to 2.00

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0020076

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