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Table 4 Univariate and multivariate analyses of recurrence-free survival for lymphatic metastasis

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

Variables n Cumulative recurrence rate at 5-year (%) Univariate P Multivariate P relative risk (95% confidence interval)
Age (years)    0.949  
<70 74 21.2   
≥70 58 12.3   
Sex    0.609  
Male 87 16.9   
Female 45 23.0   
Lymphadenectomy    0.492  
<D2 61 20.4   
D2 71 18.5   
Histological differentiation    0.074  
G1 or G2 58 14.6   
G3 or G4 74 27.9   
Depth of tumor invasion    0.001 0.023
pT2 or pT3 64 7.7   1
pT4 68 31.2   4.70 (1.21 to 31.28)
Number of lymph node metastases    < 0.001 0.007
pN0 or pN1 74 5.0   1
pN2 or pN3 58 38.1   6.00 (1.56 to 39.83)
Lymphatic invasion    0.073  
Negative 45 8.4   
Positive 87 24.8   
Venous invasion    0.122  
Negative 84 14.9   
Positive 48 35.3