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Table 1 Univariate and multivariate analyses of overall survival

From: Differences in risk factors between patterns of recurrence in patients after curative resection for advanced gastric carcinoma

Variable n Survival rate at 5 years (%) Univariate P Multivariate P relative risk (95% confidence interval)
Age (years)    0.104  
<70 74 61.7   
≥70 58 45.2   
Sex    0.165  
Male 87 58.8   
Female 45 47.0   
Lymphadenectomy    0.647  
<D2 61 56.2   
D2 71 54.8   
Histological differentiation    0.002 0.006
G1 or G2 58 70.7   1
G3 or G4 74 41.2   2.15 (1.23 to 3.85)
Depth of tumor invasion    <0.001 0.040
pT2 or pT3 64 77.2   1
pT4 68 35.6   1.85 (1.03 to 3.47)
Number of lymph node metastases    <0.001 <0.001
pN0 or pN1 74 72.8   1
pN2 or pN3 58 36.5   2.71 (1.53 to 4.98)
Lymphatic invasion    0.016  
Negative 45 70.7   
Positive 87 48.1   
Venous invasion    0.026  
Negative 84 62.7   
Positive 48 39.4