The 5-year survival rate is a good prognostic indicator for patients with Gastric cancer that is
usually estimated based on Kaplan-Meier. In situations where censored observations are …

Background and purpose: Due to the difficulty of diagnosis, esophageal and gastric cancers
have a special position in Mazandaran Province. Ïn this province, gastric cancer is …

Background: Due to its high prevalence, the survey on gastric cancer survival in Iran seems
too important. In the case of relative long-term survival of the cases, using standard models …

Background and aims: The aim of this study was to calculate survival rates and analyze
patterns of survivalin gastric cancer. Methods: A total number of 746 patients with gastric …

Background: In some survival studies, several events are taken into consideration. If the
events are independent then the ordinary methods such as Kaplan-Meier, Cox or parametric …

Background: Gastric cancer is the one of the most prevalent reason of cancer-related death
in the world. Survival of patients after surgery involves identifying risk factors. There are …

Background: Cox proportional hazard model is the most common technique to analysis the
variables effect on survival time, but under certain circumstances, parametric models may …

Background and purpose: One of the most common methods used to estimate the effects of
explanatory variables on survival time, is Cox semi parametric model. However, under …

Introduction: Gastric cancer (GC) is one of the most common cancers in the world. Despite of
improvements in cancer treatment, survival rate of these patients is low. There are various …

Background: Cox Proportional Hazard model is the most popular tool to analyze the effects
of covariates on survival time, although under certain circumstances parametric models may …