ArticleJournal of Korean medical science2025
Different Patterns of the Relationship Between Gynecological Malignancy and Obesity Index: A Nationwide Retrospective Cohort Study in Korea.
Article in Journal of Korean medical science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Obesityand Gynaecological Cancers, with a Focus on Morbid Obesity: Risk Stratification, Early Diagnosis and Management.Diagnostics (Basel, Switzerland) · 2026Review
- Obesity and Cancer: Mechanisms, Epidemiological Evidence, and Potential Risk Reduction.Journal of obesity & metabolic syndrome · 2026Review
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4 authors.
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Abstract
backgroundIn Korea, the patterns of prevalence of gynecological cancers have shifted due to rising obesity-related cancer cases. We evaluated the associations of body mass index (BMI) and waist circumference (WC) with the risk of gynecological malignancy in Korean women.
methodsUsing National Health Insurance Service cohort data, we analyzed 365,581 participants among the 1,999,980 women aged ≥ 19 years who underwent health check-ups at the baseline year 2009-2010, excluding those who died, those with prior cancer diagnoses, underwent hysterectomy and/or salpingo-oophorectomy before the index date (January 1st, 2011), or missing/outliers BMI and WC values. Follow-up extended to December 31st, 2021, evaluating the incidences of endometrial, ovarian, and cervical cancer. The hazard ratios (HRs) and 95% confidence intervals (CIs) for each gynecological malignancy according to BMI and WC were calculated using Cox proportional hazard regression.
resultsAmong the 365,581 participants, 898, 1,268, and 873 cases of endometrial, ovarian, and cervical cancer occurred, respectively. HRs (95% CIs) for endometrial cancer were 1.37 (1.15-1.63), 1.63 (1.38-1.94), and 3.64 (2.81-4.70) for BMIs of 23.0-24.9, 25.0-29.9, and ≥ 30 kg/m² compared to BMI of 18.5-22.9 kg/m² (
conclusionIn Korean women, the risks of endometrial and ovarian cancers increased significantly from the pre-obese level as BMI and WC increased, while cervical cancer risk tended to increase as WC decreased. Management of obesity should be reinforced for the prevention of obesity-related gynecological cancers, considering the increasing incidence of these cancers among Korean women.
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