Retrospective Cohort Study
Copyright ©The Author(s) 2022.
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
VariablesHazard ratio95%CI
P value
Lower
Upper
Age in yr0.355
Tumour size in mm1.0311.060.059
Histopathologic subtype
Intestinal/other types
Pancreatobiliary type2.71.26.20.025
T classification
T1-T2
T36.42.516.3< 0.001
Lymph node metastasis
No
Yes4.51.811.30.001
Differentiation grade0.54
Well differentiated
Moderately differentiated0.268
Poorly differentiated0.755
Perineural invasion0.517
Lymphovascular invasion0.26

  • 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