Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Prognostic Impact of Visceral Fat Area Measured by Bioelectrical Impedance Analysis on Oncologic Outcomes of Colorectal Cancer

Version 1 : Received: 27 August 2022 / Approved: 5 September 2022 / Online: 5 September 2022 (07:33:30 CEST)

A peer-reviewed article of this Preprint also exists.

Kim, K.E.; Bae, S.U.; Jeong, W.K.; Baek, S.K. Impact of Preoperative Visceral Fat Area Measured by Bioelectrical Impedance Analysis on Clinical and Oncologic Outcomes of Colorectal Cancer. Nutrients 2022, 14, 3971. Kim, K.E.; Bae, S.U.; Jeong, W.K.; Baek, S.K. Impact of Preoperative Visceral Fat Area Measured by Bioelectrical Impedance Analysis on Clinical and Oncologic Outcomes of Colorectal Cancer. Nutrients 2022, 14, 3971.

Abstract

Background: Some studies have shown that an increase in visceral fat is associated with postoperative clinical and oncologic outcomes. However, no studies have used bioelectrical impedance analysis (BIA) to determine the effects of visceral fat on the oncologic outcomes of colorectal cancer (CRC). This study aimed to investigate the relationship between visceral fat area (VFA) and clinical, and oncologic outcomes in CRC. Methods: This study included 203 patients who underwent anthropometric measurements by BIA before surgical treatment for CRC between January 2016 and June 2020. Results: According to the cutoff level of VFA by receiver operating characteristic curve analysis, 85 (40.5%) patients had a low VFA, and 119 (59.5%) had a high VFA. Multivariate analysis found that preoperative CRP (hazard ratio [HR], 3.882; 95% confidence interval [CI], 1.001–15.051; p=0.050) and nodal stage (HR, 7.996; 95% CI, 1.414–45.209; p=0.019) were independent prognostic factors for overall survival, while sex (HR, 0.110; 95% CI, 0.013–0.905; p=0.040), lymphovascular invasion (HR, 3.560; 95% CI, 1.098–11.544; p=0.034), and VFA (HR, 4.263; 95% CI, 1.280–14.196; p=0.040) were independent prognostic factors for disease-free survival (DFS). Conclusion: High VFA preoperatively measured by BIA was associated with inflammations and was an independent prognostic factor for DFS.

Keywords

colorectal neoplasm; nutrition assessment; body composition; electric impedance; prognosis

Subject

Biology and Life Sciences, Food Science and Technology

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