Self-Reported Ethnicity and Genetic Ancestry in Relation to Oral Cancer and Pre-Cancer in Puerto Rico
2011

Ancestry and Oral Cancer in Puerto Rico

Sample size: 310 publication Evidence: low

Author Information

Author(s): Erdei Esther, Sheng Huiping, Maestas Erika, Mackey Amanda, White Kirsten A., Li Lin, Dong Yan, Taylor Justin, Berwick Marianne, Morse Douglas E.

Primary Institution: University of New Mexico Health Sciences Center

Hypothesis

Does genetic ancestry influence the risk of oral cancer and precancer in Puerto Rico?

Conclusion

The study found no significant associations between self-identified ethnicity or ancestry markers and the risk of oral cancer or precancer.

Supporting Evidence

  • The study included 310 participants diagnosed with oral conditions.
  • Ancestry markers did not show significant associations with oral cancer risk.
  • The average ancestry contribution was 69.9% European, 24.5% African, and 5.7% Native American.

Takeaway

The study looked at how ancestry affects the risk of oral cancer in Puerto Rico, but it found that ancestry markers didn't really help explain who gets cancer.

Methodology

Participants were interviewed and provided DNA samples for ancestry analysis using ancestry informative markers.

Potential Biases

Participation bias may have affected the results due to the small sample size.

Limitations

The study faced challenges in data collection due to changing healthcare regulations and had a smaller sample size than anticipated.

Participant Demographics

Participants included 310 Puerto Rico residents diagnosed with oral conditions, with a mean age of 59.13 years.

Statistical Information

P-Value

<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1371/journal.pone.0023950

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