Original Article
Copyright ©2012 Baishideng.
World J Gastrointest Oncol. Jun 15, 2012; 4(6): 131-137
Published online Jun 15, 2012. doi: 10.4251/wjgo.v4.i6.131
Table 1 Patients and tissue samples n (%)
Total (n = 102)Male (n = 75)Female (n = 27)Gender difference
Age (yr, mean ± SD)70.6 ± 7.869.4 ± 7.974.2 ± 6.6P = 0.006
Tumor size (cm)
< 2.076 (74.5)54 (72.0)22 (81.5)P = 0.332
≥ 2.026 (25.5)21 (28.0)5 (18.5)
Tumor location
Upper third23 (22.5)19 (25.3)4 (14.8)P = 0.095
Middle third40 (39.2)32 (41.6)8 (29.6)
Lower third39 (38.2)24 (32.0)15 (55.6)
Gross tumor appearance
Flat/depressed63 (61.8)47 (62.7)16 (59.3)P = 0.755
Elevated39 (38.2)28 (37.3)11 (40.7)
Histological type
Tubular88 (86.3)66 (88.0)22 (81.5)P = 0.605
Papillary14 (13.7)9 (12.0)5 (18.5)
Depth of invasion
Mucosa91 (89.2)66 (88.0)25 (92.6)P = 0.509
Submucosa11 (10.8)9 (12.0)2 (7.4)