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Predictors of long-term survival in node-positive gastric carcinoma patients with curative resection
Dong Yi Kim1, Jae Kyoon Joo, Young Kyu Park
1Division of Gastroenterologic Surgery, Department of Surgery, Chonnam National University Medical School, 8, Hakdong, Dongku, Gwangju, 501-757, South Korea. dockim@chonnam.ac.kr
Background And Aims:
We analyzed the clinicopathologic features of node-positive gastric carcinoma patients who were long-term survivors (5 years or longer) and evaluated the predictive factors associated with long-term survival.
Patients And Methods:
Of 554 node-positive gastric carcinoma patients with curative resection, 161 (29.1%) were long-term survivors, and 393 died of the disease before 5 years.
Results:
The long-term survivor group had a recurrence rate of 16.1%, while the recurrence rate was 95.4% in the short-term survivor group (P < 0.05). The mean tumor size in the long-term survivors (4.5 cm) was significantly smaller than that in the short-term survivors (5.3 cm; P < 0.001). A depth of invasion greater than T3 was found more frequently in the short-term survivor group (88.1%) than in the long-term survivor group (70.1%; P < 0.001). Using Cox's proportional hazard regression model, the only factor found to be an independent, statistically significant prognostic parameter was tumor size (risk ratio, 0.301; 95% confidence interval, 0.10-0.88; P < 0.05).
Conclusion:
The tumor size emerged as the only independent, significant factor for the prediction of long-term survival in node-positive gastric carcinoma patients with curative resection.
