Table 1. Correlation between parameters and the different pathologic scoring systems.
pCR* | TRG0-1* | TNM-downstaging* | ||||
---|---|---|---|---|---|---|
Pathologic evaluation | Non-pCR(n=42) vs. pCR(n=14) | p | TRG2-3(n=34) vs.TRG0-1(n=22) | p | No(n=30) vs. Yes(n=26) | p |
ADCpre(×10-3mm2/s) | 0.86±0.15 vs. 0.82±0.11 | 0.332 | 0.86±0.17 vs. 0.83±0.11 | 0.524 | 0.85±0.13 vs. 0.85±0.17 | 0.944 |
ADCpost(×10-3mm2/s) | 1.12±0.16 vs. 1.31±0.13 | <0.001 | 1.10±0.15 vs. 1.27±0.17 | <0.001 | 1.10±0.15 vs. 1.25±0.17 | 0.001 |
ADCratio | 0.33±0.27 vs. 0.64±0.34 | <0.001 | 0.32±0.26 vs. 0.55±0.34 | 0.006 | 0.32±0.24 vs. 0.52±0.35 | 0.015 |
MDpre(×10-3mm2/s) | 1.50±0.33 vs. 1.40±0.21 | 0.269 | 1.51±0.35 vs. 1.43±0.21 | 0.314 | 1.49±0.27 vs. 1.46±0.34 | 0.763 |
MDpost(×10-3mm2/s) | 1.95±0.30 vs. 2.45±0.33 | <0.001 | 1.98±0.32vs. 2.23±0.42 | 0.012 | 1.94±0.29 vs. 2.23±0.41 | 0.003 |
MDratio | 0.35±0.32 vs. 0.80±0.43 | <0.001 | 0.36±0.32 vs. 0.62±0.46 | 0.017 | 0.35±0.31 vs. 0.59±0.45 | 0.017 |
MKpre | 0.89±0.11 vs. 0.72±0.09 | <0.001 | 0.90±0.11 vs. 0.77±0.11 | <0.001 | 0.86±0.10 vs. 0.82±0.14 | 0.075 |
MKpost | 0.68±0.08 vs. 0.56±0.06 | <0.001 | 0.69±0.07 vs. 0.59±0.08 | <0.001 | 0.67±0.08 vs. 0.63±0.10 | 0.167 |
MKratio | 0.23±0.01 vs. 0.21±0.13 | 0.678 | 0.22±0.11 vs. 0.23±0.11 | 0.733 | 0.23±0.10 vs. 0.21±0.12 | 0.513 |
*Data are the means±standard deviation.
MKratio=(MKpre-MKpost)/MKpre; MDratio=( MDpost-MDpre)/MDpre;
ADCratio=(ADCpost-ADCpre)/ADCpre