Gastric cancer is the fourth most common cancer and the second leading cause of death in the world. Despite the recent advances in controlling and treating the disease, the survival rate of this cancer is relatively low. Various factors can affect the survival of the patients with gastric cancer. The aim of this study was to determine the survival rates and the effective factors in the patients with gastric cancer.
The study population included all the patients diagnosed with gastric cancer in Hamadan Province who were referred to Hamadan Imam Khomeini Specialized Clinic between 2004 to 2017. Patients were followed up by periodical referrals and/or telephone contact. The survival rate of the patients was calculated using Kaplan-Meier method and effective survival factors with Cox proportional regression. Data were analyzed using SPSS 23 software at a significance level of 0.05.
Out of the 350 patients with gastric cancer, 74.3% were male and 25.7% were female. One-year, three-year and five-year survival rates were 67%, 36% and 27%, respectively. The log -rank test showed that age, type of tumor, stage of disease, type of Surgery and metastasis of the disease were effective on the survival of patients. In Cox's multivariate analysis, the only age variables at the time of diagnosis and chemotherapy were survival variables. (P<0.05).
The results of this study showed that age variable is a strong factor in survival, so it is essential to diagnose the disease at the early age and early stages of the disease using a screening program.
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