Original Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 28, 2013; 19(16): 2466-2472
Published online Apr 28, 2013. doi: 10.3748/wjg.v19.i16.2466
Figure 1
Figure 1 Kaplan-Meier survival analysis. The one-, three-, and five-year survival rate was 86.2%, 71.3% and 55.9%, respectively.
Figure 2
Figure 2 Survival analysis after stratification according to the stage of chronic kidney disease. Patients with stages 4 and 5 chronic kidney disease (CKD) suffered lower cumulative survival than stages 1 and 2 CKD (log-rank test, χ2 = 11.764, P = 0.003).