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KMID : 0371420221020030147
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Annals of Surgical Treatment and Research
2022 Volume.102 No. 3 p.147 ~ p.152
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External validation of risk prediction platforms for pancreatic fistula after pancreatoduodenectomy using nomograms and artificial intelligence
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Yoon So-Jeong
Kwon Woo-Il
Lee Ok-Joo
Jung Ji-Hye
Shin Yong-Chan
Lim Chang-Sup
Kim Hong-Beom
Jang Jin-Young
Shin Sang-Hyun
Heo Jin-Seok
Han In-Woong
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Abstract
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Purpose: Postoperative pancreatic fistula (POPF) is a life-threatening complication following pancreatoduodenectomy (PD). We previously developed nomogram- and artificial intelligence (AI)-based risk prediction platforms for POPF after PD. This study aims to externally validate these platforms.
Methods: Between January 2007 and December 2016, a total of 1,576 patients who underwent PD in Seoul National University Hospital, Ilsan Paik Hospital, and Boramae Medical Center were retrospectively reviewed. The individual risk scores for POPF were calculated using each platform by Samsung Medical Center. The predictive ability was evaluated using a receiver operating characteristic curve and the area under the curve (AUC). The optimal predictive value was obtained via backward elimination in accordance with the results from the AI development process.
Results: The AUC of the nomogram after external validation was 0.679 (P < 0.001). The values of AUC after backward elimination in the AI model varied from 0.585 to 0.672. A total of 13 risk factors represented the maximal AUC of 0.672 (P < 0.001).
Conclusion: We performed external validation of previously developed platforms for predicting POPF. Further research is needed to investigate other potential risk factors and thereby improve the predictability of the platform.
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KEYWORD
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Artificial intelligence, Nomograms, Pancreatic fistula, Pancreatoduodenectomy, Postoperative complications
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