Prospective Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jul 7, 2014; 20(25): 8244-8252
Published online Jul 7, 2014. doi: 10.3748/wjg.v20.i25.8244
Table 4 Tumor-node-metastasis-stratified analysis of the overall survival
Grade IGrade IIGrade IIIχ2P value
5-yr OS5-yr OS5-yr OS
TNM
I83.357.150.03.0940.213
II67.947.813.624.908< 0.001
III25.818.08.015.1210.001
IV05.302.3870.303