Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 28, 2012; 18(16): 1926-1932
Published online Apr 28, 2012. doi: 10.3748/wjg.v18.i16.1926
Figure 1
Figure 1 Cumulative survival rates by Kaplan-Meier method in elderly (n = 74, thin line) and non-elderly groups (n = 212, thick line).