@article{JGO23700,
author = {Hani Oweira and Arianeb Mehrabi and Anwar Giryes and Aysun Tekbas and Omar Abdel-Rahman},
title = {External validation of the 8th American Joint Committee on Cancer staging system for gall bladder carcinoma},
journal = {Journal of Gastrointestinal Oncology},
volume = {9},
number = {6},
year = {2018},
keywords = {},
abstract = {Background: To validate the changes within the American Joint Committee on Cancer (AJCC) 8th staging system for gall bladder carcinoma compared to AJCC 7th staging system.
Methods: Surveillance, Epidemiology and End Results (SEER) database [2004–2014] was queried. Kaplan-Meier survival analyses and Log-rank testing were assessed according to both AJCC 7th and 8th staging systems. Likewise, Cox cancer-specific hazard ratio was evaluated according to both staging systems.
Results: Overall survival was assessed according to the two staging systems; and P values for overall trend (log/rank test) were significant (P},
issn = {2219-679X}, url = {https://jgo.amegroups.org/article/view/23700}
}