77 Sense and nonsense of yT-staging on MRI after chemoradiotherapy in rectal cancer 5 Table 2 Concordance between ymrT-stage and ypT-stage ypTstage n= (total 90) All readers (n=22) Expert readers (n=5) Non-expert readers (n=17) Understaged (ymrT < ypT) Correct (ymrT = ypT) Overstaged (ymrT > ypT) Understaged (ymrT < ypT) Correct (ymrT = ypT) Overstaged (ymrT > ypT) Understaged (ymrT < ypT) Correct (ymrT = ypT) Overstaged (ymrT > ypT) All patients (pTRG1-5) ypT0 27 - 33% 67% - 30% 70% - 34% 66% ypT1-2 22 21% 28% 51% 13% 20% 67% 23% 30% 47% ypT3 37 34% 61% 5% 21% 77% 2% 38% 57% 6% ypT4 4 55% 45% - 50% 50% - 56% 44% - Total (95%CI)* 90 21% (18%-25%) 44% (40%-48%) 35% (32%-38%) 14% (12%-17%) 48% (44%-52%) 38% (35%-41%) 24% (21%-28%) 43% (39%-47%) 34% (31%-37%) Predominant fibrosis (pTRG1-3) ypT0 27 - 33% 67% - 30% 70% - 34% 66% ypT1-2 19 23% 28% 49% 14% 20% 66% 25% 30% 44% ypT3 26 38% 57% 5% 23% 74% 3% 43% 52% 5% ypT4 1 45% 55% - 60% 40% - 41% 59% - Total (95%CI)* 73 20% (16%-24%) 41% (35%-47%) 39% (34%-44%) 13% (9%-18%) 43% (37%-49%) 44% (39%-49%) 22% (16%-29%) 40% (34%-46%) 38% (32%-44%) Predominant tumour (pTRG4-5) ypT0 0 - - - - - - - - - ypT1-2 3 9% 27% 64% 7% 20% 73% 10% 29% 61% ypT3 11 24% 70% 5% 16% 84% 0% 27% 66% 7% ypT4 3 58% 42% - 47% 53% - 61% 39% - Total (95%CI)* 17 28% (18%-40%) 58% (47%-70%) 15% (6%-27%) 20% (10%-31%) 67% (53%-79%) 13% (4%-24%) 30% (16%-45%) 55% (37%-73%) 15% (6%-26%) *Binomial proportion confidence interval was used to calculate 95%CI
RkJQdWJsaXNoZXIy MjY0ODMw