Phase angle as a predictor of malnutrition, sarcopenia, and adverse clinical outcomes in hospitalized patients with ulcerative colitis

doi:10.3748/wjg.121556

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastroenterol. Nov 14, 2026; 32(42): 121556
Published online Nov 14, 2026. doi: 10.3748/wjg.121556

Table 8 Bootstrap internal validation results for phase angle, prealbumin, and combined model

Model	Original AUC	Bootstrap mean AUC	Optimism	Corrected AUC	95%CI
PhA	0.856	0.855	0.001	0.855	0.758-0.934
PAB	0.835	0.835	0.001	0.835	0.747-0.912
PhA + PAB	0.922	0.923	-0.002	0.923	0.859-0.973

AUC: Area under the curve; PhA: Phase angle; PAB: Prealbumin; CI: Confidence interval.

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Citation: Wang HY, Liu RJ, Wang YY, Wang DD, Zhang H, Zhang LJ, Jing X, Guo YJ, Li HQ, Liu AL, Ding XL. Phase angle as a predictor of malnutrition, sarcopenia, and adverse clinical outcomes in hospitalized patients with ulcerative colitis. World J Gastroenterol 2026; 32(42): 121556
URL: https://www.wjgnet.com/1007-9327/full/v32/i42/121556.htm
DOI: https://dx.doi.org/10.3748/wjg.121556

Wang HY, Liu RJ, Wang YY, Wang DD, Zhang H, Zhang LJ, Jing X, Guo YJ, Li HQ, Liu AL, Ding XL. Phase angle as a predictor of malnutrition, sarcopenia, and adverse clinical outcomes in hospitalized patients with ulcerative colitis. World J Gastroenterol 2026; 32(42): 121556 [DOI: 10.3748/wjg.121556]

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