Brief Article
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Nov 14, 2009; 15(42): 5279-5286
Published online Nov 14, 2009. doi: 10.3748/wjg.15.5279
Figure 1
Figure 1 Kaplan-Meier survival curves stratified by treatment approach (log-rank test) (A) and Charlson comorbidity index (CCI) score (log-rank test) (B).