Predictive value of portal venous phase computed tomography parameters for anastomotic stricture after D2 gastrectomy

doi:10.4240/wjgs.118910

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World Journal of Gastrointestinal Surgery

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1948-9366

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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 Gastrointest Surg. Jun 27, 2026; 18(6): 118910
Published online Jun 27, 2026. doi: 10.4240/wjgs.118910

Table 6 Comparison of diagnostic performance between combined prediction model and single computed tomography parameters

Predictive indicator	Area under the curve	95%CI	Sensitivity (%)	Specificity (%)	Positive predictive value (%)	Negative predictive value (%)
Combined prediction model	0.893	0.832-0.954	87	80.1	36.4	97.9
nPV-HU	0.812	0.726-0.898	78.3	72.7	27.3	96.2
PV-HU/aorta-HU	0.768	0.672-0.864	73.9	71	25	95.4
Clinical factors model¹	0.798	0.708-0.888	73.9	75.6	28.3	95.7

¹Clinical factors model includes four clinical factors: Body mass index ≥ 25 kg/m², diabetes mellitus, total gastrectomy, and 25 mm stapler diameter.

aorta-HU: Abdominal aorta computed tomography value; nPV-HU: Normalized portal vein computed tomography value; PV-HU: Portal vein computed tomography value.

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Citation: Zhang H, Zhu B, Bai GJ. Predictive value of portal venous phase computed tomography parameters for anastomotic stricture after D2 gastrectomy. World J Gastrointest Surg 2026; 18(6): 118910
URL: https://www.wjgnet.com/1948-9366/full/v18/i6/118910.htm
DOI: https://dx.doi.org/10.4240/wjgs.118910

Zhang H, Zhu B, Bai GJ. Predictive value of portal venous phase computed tomography parameters for anastomotic stricture after D2 gastrectomy. World J Gastrointest Surg 2026; 18(6): 118910 [DOI: 10.4240/wjgs.118910]

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