Estimating survival rates in gastric cancer patients on the basis of clinicopathologic factors in Fars Cancer Registry(2001-2005)

1Associate Prof of Biostatic, Dept of Epidemiology, Faculty of Public Health, Shiraz University of Medical Sciences and Health Services, Shiraz, Iran.

2MSc of Epidemiology, Liver and Gastroenterology Research Center, Shahid Beheshti University of Medical Sciences and Health Services, Tehran, Iran.

3Instructor, Dept of Epidemiology, Faculty of Public Health, Shiraz University of Medical Sciences and Health Services, Shiraz, Iran.

4Prof of Biostatistics, Dept of Epidemiology, Faculty of Public Health, Shiraz University of Medical Sciences and Health Services, Shiraz, Iran.

5Prof of Pathology, Dept of Pathology, Faculty of Public Health, Shiraz University of Medical Sciences and Health Services, Shiraz, Iran.

Zahedan Journal of Research in Medical Sciences:Vol. 11, issue 1; e94427

Published online:Mar 13, 2009

Article type:Research Article

Received:Jul 16, 2008

Accepted:Feb 28, 2009

How to Cite:Abdolreza RajaeifardBijan Moghimi-DehkordiHamidreza TabatabaeeBahram ZighamiAzadeh SafaeeZiyaaldin Tabeiet al.Estimating survival rates in gastric cancer patients on the basis of clinicopathologic factors in Fars Cancer Registry(2001-2005).Zahedan J Res Med Sci.11(1):e94427.

Abstract

Background: Gastric cancer remains as one of the leading causes of death worldwide. In
patients with gastric cancer, the survival rate after diagnosis is relatively low. The present study
aimed to evaluate the impact of demographic factors in estimation of survival rate in patients with
gastric cancer in order to develop updated documents in these patients.
Materials and Methods: All gastric cancer patients registered in Fars cancer registry were
entered in the study. Vital status of the patients was asked by telephone contact. Survival rates were
estimated using Kaplan-Meier method and compared by Log-rank test. All calculations were
performed using STATA (v.8) software. The p value<0.05 was considered as statistically
significant.
Results: Mean and median of survival time was 21.49 and 12.60 months, respectively. A
statistically significant difference was seen in survival rates between age groups and type of first
treatment. Also, no significant variation was observed in estimation of survival function between
other factors (P>0.05).
Conclusion: Our results showed that the survival rates of gastric cancer patients in our study
were relatively low. Late diagnosis and delayed therapy are important reasons for low survival in
these patients. Therefore, improving public education about primary symptoms of gastric cancer by
media is recommended.

Keywords

Gastric cancer

Survival rate

Kaplan-Meier estimate

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References

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