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Chao Qiang Jiang 1 Article
Metabolic Risk/Epidemiology
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Association of Measures of Glucose Metabolism with Colorectal Cancer Risk in Older Chinese: A 13-Year Follow-up of the Guangzhou Biobank Cohort Study-Cardiovascular Disease Substudy and Meta-Analysis
Shu Yi Wang, Wei Sen Zhang, Chao Qiang Jiang, Ya Li Jin, Tong Zhu, Feng Zhu, Lin Xu
Diabetes Metab J. 2024;48(1):134-145.   Published online January 3, 2024
DOI: https://doi.org/10.4093/dmj.2022.0383
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  • 2 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Abnormal glucose metabolism is a risk factor for colorectal cancer (CRC). However, association of glycosylated hemoglobin (HbA1c) with CRC risk remains under-reported. We examined the association between glycemic indicators (HbA1c, fasting plasma glucose, fasting insulin, 2-hour glucose, 2-hour insulin, and homeostasis model of risk assessment-insulin resistance index) and CRC risk using prospective analysis and meta-analysis.
Methods
Participants (n=1,915) from the Guangzhou Biobank Cohort Study-Cardiovascular Disease Substudy were included. CRC events were identified through record linkage. Cox regression was used to assess the associations of glycemic indicators with CRC risk. A meta-analysis was performed to investigate the association between HbA1c and CRC risk.
Results
During an average of 12.9 years follow-up (standard deviation, 2.8), 42 incident CRC cases occurred. After adjusting for potential confounders, the hazard ratio (95% confidence interval [CI]) of CRC for per % increment in HbA1c was 1.28 (95% CI, 1.01 to 1.63) in overall population, 1.51 (95% CI, 1.13 to 2.02) in women and 1.06 (95% CI, 0.68 to 1.68) in men. No significant association of other measures of glycemic indicators and baseline diabetes with CRC risk was found. Meta-analyses of 523,857 participants including our results showed that per % increment of HbA1c was associated with 13% higher risk of CRC, with the pooled risk ratio being 1.13 (95% CI, 1.01 to 1.27). Subgroupanalyses found stronger associations in women, colon cancer, Asians, and case-control studies.
Conclusion
Higher HbA1c was a significant predictor of CRC in the general population. Our findings shed light on the pathology of glucose metabolism and CRC, which warrants more in-depth investigation.

Citations

Citations to this article as recorded by  
  • Relationship Between Aspirin Use and Site-Specific Colorectal Cancer Risk Among Individuals With Metabolic Comorbidity
    Seokyung An, Madhawa Gunathilake, Jeonghee Lee, Minji Kim, Jae Hwan Oh, Hee Jin Chang, Dae Kyung Sohn, Aesun Shin, Jeongseon Kim
    Journal of Korean Medical Science.2024;[Epub]     CrossRef
  • Associations between blood glucose and early- and late-onset colorectal cancer: Evidence from two prospective cohorts and Mendelian randomization analyses
    Chenyu Luo, Jiahui Luo, Yuhan Zhang, Bin Lu, Na Li, Yueyang Zhou, Shuohua Chen, Shouling Wu, Qingsong Zhang, Min Dai, Hongda Chen
    Journal of the National Cancer Center.2024;[Epub]     CrossRef

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