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  • Title: [Multivariate prognostic analysis in gastric carcinoma patients after radical operation].
    Author: Zhan YQ, Sun XW, Li W, Chen YB, Xu L, Guan YX, Li YF, Xu DZ.
    Journal: Ai Zheng; 2005 May; 24(5):596-9. PubMed ID: 15890105.
    Abstract:
    BACKGROUND & OBJECTIVE: Whether received radical operation is an important prognostic factor of gastric carcinoma. But the long-term efficacies of radical operation on different patients are not the same. This study was to investigate prognostic factors of gastric carcinoma. METHODS: Clinical data of 405 patients with gastric carcinoma, received radical operation from Jan. 1985 to Dec. 1995 in Cancer Center of Sun Yat-sen University, were analyzed retrospectively. Life table method was used to analyze survival rate, Wilcoxon test was used for statistical comparison, and Cox regression model was used for multivariate analysis. RESULTS: The 5-year overall survival rate was 43.4%. The 5-year survival rates of patients in pathologic TNM (pTNM) stage I, II, III, and IV were 75.6%, 58.7%, 28.0%, and 18.4%, respectively (P < 0.01). The 5- year survival rates of patients with tumor sizes of less than 2.0 cm, 2.0-3.9 cm, 4.0-5.9 cm, 6.0-7.9 cm, and no less than 8.0 cm were 82.0%, 57.4%, 43.7%, 38.7%, and 26.9%, respectively (P < 0.05). In addition, the 5-year survival rate was higher in patients with perioperative chemotherapy than in patients without perioperative chemotherapy (47.2% vs. 37.8%, P < 0.05). Univariate analysis showed that perioperative chemotherapy, Borrmann type, tumor size, pathologic type, and pTNM stage were prognostic factors of gastric carcinoma. Multivariate analysis showed that pTNM stage, tumor size, and perioperative chemotherapy were independent prognostic factors of gastric carcinoma. CONCLUSIONS: pTNM stage, tumor size, and perioperative chemotherapy are the most significant factors influencing prognosis of gastric carcinoma patients after radical operation. Perioperative chemotherapy contributes to enhance survival rate of gastric carcinoma patients.
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