Retrospective Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Sep 14, 2014; 20(34): 12226-12232
Published online Sep 14, 2014. doi: 10.3748/wjg.v20.i34.12226
Figure 1
Figure 1 Kaplan-Meier survival curve. A: Kaplan-Meier survival curve for the overall pool of subjects including numbers at risk at each time point and limited to 60 mo of analysis time; B: Kaplan-Meier survival curves of two subgroups of subjects defined by McGill Brisbane Symptom Score category and including the numbers at risk at each time point. (Log rank test for equality of survival curves, low MBSS vs high MBSS P = 0.005). MBSS: McGill Brisbane Symptom Score.