Case Control Study
Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 28, 2014; 20(12): 3369-3375
Published online Mar 28, 2014. doi: 10.3748/wjg.v20.i12.3369
Figure 2
Figure 2 Age-adjusted survival curves. There were no significant differences between the two groups (P = 0.225).