Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastrointest Oncol. Jun 15, 2017; 9(6): 257-262
Published online Jun 15, 2017. doi: 10.4251/wjgo.v9.i6.257
Figure 2
Figure 2 Overall survival (A) and cause-specific survival (B) in two aged group after IPTW method. OS and CSS were significantly lower in Group A than Group B (P < 0.05). OS: Overall survival; CSS: Cause-specific survival; IPTW: Inverse probability of treatment weighting.