Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Feb 7, 2016; 22(5): 1859-1868
Published online Feb 7, 2016. doi: 10.3748/wjg.v22.i5.1859
Figure 3
Figure 3 Receiver operating characteristic curve according to the number of independent risk factors for P-positive status.