10.06.2024 | Review
Association between body mass index and lymph node metastasis among women with cervical cancer: a systematic review and network meta-analysis
verfasst von:
Tiantian Shen, Si Sun, Wenhan Li, Xiaoman Wang, Yumei Gao, Qiang Yang, Jing Cai
Erschienen in:
Archives of Gynecology and Obstetrics
|
Ausgabe 3/2024
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Abstract
Purpose
Lymph node status is a determinant of survival in patients with early-stage cervical cancer. However, the relationship between obesity and lymph node status remains unclear. Therefore, this systematic review aims to evaluate the correlation between body mass index (BMI) and lymph node metastasis in cervical cancer.
Methods
Cohort studies through six databases were reviewed until December 2021. Odds ratios (ORs) for lymphatic metastasis were estimated using random-effects models and network meta-analysis. BMI groups for lymph node metastasis were ranked. Heterogeneities were assessed using I2. Subgroup analyses were performed to determine possible sources of heterogeneity.
Results
No significant difference was found between obese (BMI ≥ 25) and non-obese patients (BMI < 25) (OR = 1.01; 95% CI 0.69–1.47; P = 0.97). In subgroup analyses, obesity was associated with higher risk among the Americans and advanced-stage patients. The grouping analysis based on BMI and the rankogram values revealed that the ‘35 ≤ BMI’ group had the highest risk of lymph node metastasis.
Conclusion
Although there were no significant differences in lymph node metastasis between obese and non-obese cervical cancer patients in overall analysis, patients with BMI ≥ 35 were at significantly higher risk of lymph node metastasis.