Abstract
ObjectiveThis study aimed to determine the association of serum GGT levels with the risk of developing endometrial cancer. Women's obesity and menopausal status were also taken into account in our analysis. MethodsWe used a nationwide cohort to examine the association between serum GGT levels and endometrial cancer development in Korean women. Data were retrieved from the Korean National Health Insurance Service (NHIS) healthcare system. Women aged over 19 years who participated in the Korea National Health Screening Examination in 2009 and were not diagnosed with endometrial cancer 1-year post-examination were included in our study (n = 2,736,588). ResultsObese (BMI, ≥25 kg/m2) women with increased GGT levels were at high risk of endometrial cancer (HR = 1.415, 95% CI: 1.236–1.621). Interestingly, in pre-menopausal women, high GGT level (Q4) was associated with the increased endometrial cancer risk only for obese women (HR = 1.482, 95% CI: 1.205–1.821). In post-menopausal women, only a high GGT level (Q4) was also associated with the increased cancer risk for obese women (HR = 1.313, 95% CI: 1.096–1.573). We observed a significant association between high GGT levels and increased risk of endometrial cancer in pre-menopausal women with abdominal obesity (WC, ≥85 cm) (HR = 1.647, 95% CI: 1.218–2.227). ConclusionsIncreased GGT level is an independent risk factor of endometrial cancer, especially for post-menopausal women and obese pre-menopausal women. These results may suggest that serum GGT levels might be useful in the risk stratification of endometrial cancer. Adopting a healthy lifestyle for lowering serum GGT level is warranted, especially for women with a higher risk of developing endometrial cancer.
Published Version
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