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 1 Demographic and clinicopathological parameters of esophageal squamous cell carcinoma patients included in this study n (%)
Demographic and clinicopathological parametersPatients with ESCC
Sex
Male165 (72.7)
Female62 (27.3)
Age (yr)
Median58
Range33-77
Tumor size (cm)4.92 ± 2.046
Tumor grade
Grade 157 (25.1)
Grade 2114 (50.2)
Grade 356 (24.7)
Tumor location
Upper25 (11.0)
Middle152 (67.0)
Lower50 (22.0)
Depth of invasion
T288 (38.8)
T3139 (61.2)
AJCC staging system (7th ed)
IB12 (5.3)
IIA83 (36.6)
IIB132 (58.1)