Development of a novel staging classification for Siewert II adenocarcinoma of the esophagogastric junction after neoadjuvant chemotherapy

doi:10.4251/wjgo.v16.i6.2541

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World Journal of Gastrointestinal Oncology

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1948-5204

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

Clinical and Translational Research

World J Gastrointest Oncol. Jun 15, 2024; 16(6): 2541-2554
Published online Jun 15, 2024. doi: 10.4251/wjgo.v16.i6.2541

Table 4 Model evaluation

Models	Harrell's C-index	AIC	Log likelihood	P value
OS
Novel nomogram	0.635 (0.609-0.662)	-2923.6	5875.2	Ref.
8^th AJCC EC ypTNM staging system	0.610 (0.583-0.636)	-2940.6	5889.1	0.004
8^th AJCC GC ypTNM staging system	0.593 (0.568-0.619)	-2948.4	5900.7	< 0.001
DSS
Novel nomogram	0.635 (0.607-0.664)	-2451.9	4927.7	Ref.
8^th AJCC EC ypTNM staging system	0.627 (0.600-0.655)	-2458.9	4925.8	0.218
8^th AJCC GC ypTNM staging system	0.609 (0.582-0.636)	-2467.2	4938.4	< 0.001

OS: Overall survival; DSS: Disease-specific survival; AIC: Akaike information criterion; AJCC: American Joint Committee on Cancer; EC: Esophageal cancer; GC: Gastric cancer; ypTNM: Y-pathologic-TNM.

Citation: Zhang J, Liu H, Yu H, Xu WX. Development of a novel staging classification for Siewert II adenocarcinoma of the esophagogastric junction after neoadjuvant chemotherapy. World J Gastrointest Oncol 2024; 16(6): 2541-2554
URL: https://www.wjgnet.com/1948-5204/full/v16/i6/2541.htm
DOI: https://dx.doi.org/10.4251/wjgo.v16.i6.2541