Prospective Study
Copyright ©The Author(s) 2020.
World J Gastroenterol. May 28, 2020; 26(20): 2657-2668
Published online May 28, 2020. doi: 10.3748/wjg.v26.i20.2657
Table 4 Differences in terms of perfusion parameters between responders and non-responders in the tumor tissue, determines through a dynamic contrast enhanced magnetic resonance imaging study for rectal cancer restaging (MR2) after chemo-radiotherapy
DCE-MRI parametersRespondersNon-respondersP value
RAE (mean ± SD)54 ± 20129 ± 450.02
RVE (mean ± SD)73 ± 24154 ± 39< 0.05
RLE (mean ± SD)82 ± 29164 ± 35< 0.05
ME (mean ± SD)904 ± 4291714 ± 4270.03
TTP (mean ± SD)218 ± 18196 ± 230.15
AUC (mean ± SD)120894 ± 50495258022 ± 864690.02