Different Age Patterns in Stomach Cancer Types
Author Information
Author(s): Mitchell S. Wachtel, Yan Zhang, Maurizio Chiriva-Internati, Eldo E. Frezza
Primary Institution: Texas Tech University Health Sciences Center
Hypothesis
Can the incidence of Lauren types 1 and 2 stomach cancer be explained by age, sex, race, and their interactions?
Conclusion
The incidence of stomach cancer varies with age for Lauren type 1 and type 2, but these relationships are consistent across gender and race.
Supporting Evidence
- The study analyzed data from 7882 patients with stomach cancer.
- Different regression equations were derived for Lauren type 1 and type 2 stomach cancers.
- Age was found to be a significant factor affecting stomach cancer incidence.
Takeaway
This study looked at how age affects two types of stomach cancer, finding that they behave differently as people get older, but this doesn't change based on whether someone is a man or a woman, or Asian or not.
Methodology
Linear regression was used to analyze the importance of age, sex, race, and Lauren type on stomach cancer incidence using SEER data from 1992-2001.
Potential Biases
Potential biases due to the exclusion of patients of unknown race and the limitations of administrative data.
Limitations
The study is based on an administrative database, which may lack detailed histopathological review.
Participant Demographics
Patients included were aged 40 and older, with a mix of Asian and non-Asian races.
Statistical Information
P-Value
< 0.00001
Statistical Significance
p<0.00001
Digital Object Identifier (DOI)
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