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KMID : 0914820090090040200
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Journal of the Korean Gastric Cancer Association
2009 Volume.9 No. 4 p.200 ~ p.206
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Changes of the Clinicopathological Characteristics and Survival Rates of Gastric Cancer with Gastrectomy - 1990s vs early 2000s
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Sim Young-Kwan
Kim Chan-Young
Jeong Yeon-Jun
Kim Jong-Hun
Hwang Yong
Yang Doo-Hyun
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Abstract
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Purpose: The incidence of upper gastric cancer and especially the diffuse type have increased in western countries. The aim this study was to investigate the chronologic changes of the clinicopathological features and survival rates of Korean upper gastric cancer patients.
Materials and Methods : 1,638 gastric cancer patients who underwent gastrectomy were included in this study and they were divided into two groups; the 1990’s (1991∼1999, n=987) and the early 2000’s (2000∼2003, n=651). We evaluated the differences of the clinicopathologic features and the factors that affected the survival rates by univariative and multivariative analysis.
Results: The older age (＞60) patients increased from 42.7% to 50.7% respectively. Being overweight (body mass index≥23) also increased from 31.5% to 43.2%. For the pathology, the incidence of stage Ia gastric cancer increased (29.8% to 44.5%) and the incidence of stage IV gastric cancer decreased (23.5% to 11.8%). Yet there was no difference according to the WHO classification, Lauren’s classification and the location of tumor between the groups. The 5 year survival rates increased 67.7% to 83.7%, according to the group. Multivariative analysis showed that the odd ratios of the early 2000s was 0.715 (95% CI; 0.555∼0.921) as compared to that of the 1990s.
Conclusion: There were no changes of the clinicopathologic features, like the pattern in western countries, although the incidence early gastric cancer, old age patients and overweight patients increased. The survival rate of early 2000s was better that that of the 1990s.
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KEYWORD
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Gastric cancer, Cardia cancer, Diffuse type, Survival rate
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