Original Article
Copyright ©2010 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 7, 2010; 16(41): 5195-5202
Published online Nov 7, 2010. doi: 10.3748/wjg.v16.i41.5195
Table 3 Univariate and multivariate analysis of overall survival rate of esophageal squamous cell carcinoma patients with Cox proportional hazards model
VariableUnivariate analysis
Multivariate analysis
Hazard ratio95% CIP-valueHazard ratio95% CIP-value
Age (yr)
≤ 60 vs > 601.0230.740-1.4140.889
Male vs female0.6920.474-1.0090.056
Tumor size (cm)
≤ 5 vs > 50.9870.704-1.3860.942
G1 vs G2 and 31.4981.060-2.1160.022a1.5491.095-2.1900.013a
Tumor location
Upper and middle vs lower0.9540.657-1.3850.804
Depth of invasion
T2 vs T31.4611.045-2.0430.026a1.4931.066-2.0890.020a
AJCC staging system (7th ed)
IB and IIA vs IIB1.1920.865-1.6430.284
Low vs high1.6441.161-2.3290.005b1.6421.159-2.3270.005b