Risk modeling of delayed postoperative bleeding after endoscopic submucosal dissection for early colorectal cancer and precancerous lesions

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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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World J Gastrointest Surg. Sep 27, 2025; 17(9): 107326
Published online Sep 27, 2025. doi: 10.4240/wjgs.v17.i9.107326

Table 2 Variable assignment

Factors	Variables	Assignments
DPOB	Y	No: 0, yes: 1
Number of lesions	X1	Single: 0, multiple: 1
Lesion size (cm)	X2	< 3: 0, ≥ 3: 1
Lesion location	X3	Colon: 0, rectum: 1
Degree of submucosal fibrosis	X4	None or mild: 0, severe: 1
Intraoperative bleeding	X5	No: 0, yes: 1

DPOB: Delayed postoperative bleeding.

Citation: Qian J, Tao YL, Zheng SS. Risk modeling of delayed postoperative bleeding after endoscopic submucosal dissection for early colorectal cancer and precancerous lesions. World J Gastrointest Surg 2025; 17(9): 107326
URL: https://www.wjgnet.com/1948-9366/full/v17/i9/107326.htm
DOI: https://dx.doi.org/10.4240/wjgs.v17.i9.107326

Qian J, Tao YL, Zheng SS. Risk modeling of delayed postoperative bleeding after endoscopic submucosal dissection for early colorectal cancer and precancerous lesions. World J Gastrointest Surg 2025; 17(9): 107326 [PMID: 41024793 DOI: 10.4240/wjgs.v17.i9.107326]

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