Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Sep 28, 2016; 22(36): 8194-8202
Published online Sep 28, 2016. doi: 10.3748/wjg.v22.i36.8194
Figure 2
Figure 2 Kaplan-Meier survival estimates for the risk classes in the training set (A) and the test set (B).