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Nutrient intake patterns in gastric and colorectal cancers
W Jedrychowski1, T Popiela, K Steindorf
1Collegium Medicum, Jagiellonian University, Cracow, Poland. myjedryc@cyf-kr.edu.pl
Summary
High carbohydrate intake increases colorectal cancer risk. For stomach cancer, both moderate and high carbohydrate consumption significantly elevate risk, while fat intake patterns differ between the two cancers.
Area of Science:
- Oncology
- Nutritional Epidemiology
- Gastroenterology
Background:
- Dietary factors are crucial in the etiology of gastric and colorectal cancers.
- Understanding specific dietary risk patterns is essential for targeted prevention strategies.
Purpose of the Study:
- To investigate and compare dietary risk patterns for gastric and colorectal cancers.
- To utilize a consistent methodological approach across both cancer types.
Main Methods:
- A parallel, hospital-based case-control study design was employed.
- Histopathologically confirmed cases of colorectal cancer (n=180) and stomach cancer (n=80) were recruited from the University Hospital in Cracow.
Main Results:
- High carbohydrate intake correlated with increased colorectal cancer risk (OR=2.45).
- For stomach cancer, moderate carbohydrate intake (OR=4.29) and high intake (OR=8.73) significantly increased risk.
- Fat intake patterns differed; medium fat intake (OR=1.96) and intake >83 g/day (OR=2.20) increased colorectal cancer risk, while higher fat consumption showed no association with stomach cancer risk.
- Retinol, carotene, and vitamin C showed protective effects in colorectal cancer; carotene and vitamin E were inversely correlated with stomach cancer.
Conclusions:
- Dietary carbohydrate and fat intake present distinct risk profiles for gastric versus colorectal cancers.
- Specific micronutrients like vitamins C and E, retinol, and carotene may play differential roles in the risk of these cancers.