Survival after curative pancreaticoduodenectomy for ampullary adenocarcinoma in a South American population: A retrospective cohort study

doi:10.4240/wjgs.v14.i1.24

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Jan 27, 2022 (publication date) through Jul 17, 2024

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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

Retrospective Cohort Study

World J Gastrointest Surg. Jan 27, 2022; 14(1): 24-35
Published online Jan 27, 2022. doi: 10.4240/wjgs.v14.i1.24

Table 4 Cox regression model analysis for predictors of overall survival

Variables	Hazard ratio	95%CI		P value
Variables	Hazard ratio	Lower	Upper	P value
Age in yr				0.355
Tumour size in mm	1.03	1	1.06	0.059
Histopathologic subtype
Intestinal/other types
Pancreatobiliary type	2.7	1.2	6.2	0.025
T classification
T1-T2
T3	6.4	2.5	16.3	< 0.001
Lymph node metastasis
No
Yes	4.5	1.8	11.3	0.001
Differentiation grade				0.54
Well differentiated
Moderately differentiated				0.268
Poorly differentiated				0.755
Perineural invasion				0.517
Lymphovascular invasion				0.26

CI: Confidence interval.

Citation: Fernandez-Placencia RM, Montenegro P, Guerrero M, Serrano M, Ortega E, Bravo M, Huanca L, Bertani S, Trejo JM, Webb P, Malca-Vasquez J, Taxa L, Lachos-Davila A, Celis-Zapata J, Luque-Vasquez C, Payet E, Ruiz E, Berrospi F. Survival after curative pancreaticoduodenectomy for ampullary adenocarcinoma in a South American population: A retrospective cohort study. World J Gastrointest Surg 2022; 14(1): 24-35
URL: https://www.wjgnet.com/1948-9366/full/v14/i1/24.htm
DOI: https://dx.doi.org/10.4240/wjgs.v14.i1.24