Parameters | Grades of differentiation | Tumor locations | Tumor grades | lymph node status | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
well/moderately differentiated | poorly differentiated | P | Head | Elsewhere in pancreas | P | T1/T2 | T3/T4 | P | Present | Absent | P | |
ADC20 (×10−3mm2/s) | 4.15 ± 2.24 | 3.92 ± 2.13 | 0.849 | 4.05 ± 2.12 | 4.13 ± 2.35 | 0.901 | 4.24 ± 2.78 | 4.06 ± 2.04 | 0.846 | 3.97 ± 2.37 | 4.17 ± 2.09 | 0.419 |
ADC50 (×10−3mm2/s) | 2.62 ± 1.69 | 2.62 ± 1.23 | 0.665 | 2.44 ± 1.36 | 2.87 ± 1.83 | 0.358 | 3.04 ± 1.33 | 2.50 ± 1.65 | 0.098 | 2.64 ± 1.79 | 2.60 ± 1.40 | 0.897 |
ADC100 (×10−3mm2/s) | 2.03 ± 1.01 | 1.77 ± 0.65 | 0.499 | 1.89 ± 0.71 | 2.06 ± 1.18 | 0.954 | 2.19 ± 0.81 | 1.88 ± 0.96 | 0.107 | 1.95 ± 0.96 | 1.97 ± 0.92 | 0.775 |
ADC200 (×10−3mm2/s) | 1.89 ± 0.74 | 1.77 ± 0.29 | 0.460 | 1.86 ± 0.51 | 1.85 ± 0.82 | 0.599 | 2.10 ± 0.44 | 1.79 ± 0.70 | 0.060 | 1.93 ± 0.79 | 1.81 ± 0.53 | 0.827 |
ADC400 (×10−3mm2/s) | 1.73 ± 0.49 | 1.68 ± 0.19 | 0.768 | 1.69 ± 0.35 | 1.76 ± 0.52 | 0.811 | 1.80 ± 0.27 | 1.70 ± 0.46 | 0.496 | 1.74 ± 0.43 | 1.70 ± 0.43 | 0.732 |
ADC600 (×10−3mm2/s) | 1.63 ± 0.49 | 1.57 ± 0.23 | 0.941 | 1.53 ± 0.28 | 1.73 ± 0.57 | 0.320 | 1.73 ± 0.29 | 1.59 ± 0.46 | 0.226 | 1.65 ± 0.51 | 1.58 ± 0.36 | 0.662 |
ADC800 (×10−3mm2/s) | 1.51 ± 0.36 | 1.44 ± 0.19 | 0.486 | 1.43 ± 0.26 | 1.57 ± 0.40 | 0.235 | 1.60 ± 0.27 | 1.46 ± 0.34 | 0.256 | 1.51 ± 0.29 | 1.47 ± 0.35 | 0.917 |
ADC1000 (×10−3mm2/s) | 1.22 ± 0.31 | 1.14 ± 0.17 | 0.506 | 1.16 ± 0.23 | 1.25 ± 0.32 | 0.203 | 1.21 ± 0.17 | 1.20 ± 0.30 | 0.880 | 1.18 ± 0.29 | 1.21 ± 0.27 | 0.337 |
ADCtotal (×10−3mm2/s) | 1.38 ± 0.29 | 1.35 ± 0.16 | 0.720 | 1.34 ± 0.22 | 1.43 ± 0.31 | 0.450 | 1.47 ± 0.20 | 1.36 ± 0.27 | 0.399 | 1.37 ± 0.19 | 1.38 ± 0.30 | 0.387 |
ADCfast (×10−3mm2/s) | 6.98 ± 6.28 | 4.81 ± 2.38 | 0.326 | 6.87 ± 6.49 | 5.70 ± 3.88 | 0.612 | 8.89 ± 9.15 | 5.58 ± 3.74 | 0.154 | 5.63 ± 3.6 | 6.96 ± 6.67 | 0.634 |
ADCslow (×10−3mm2/s) | 0.86 ± 0.32 | 0.81 ± 0.33 | 0.658 | 0.80 ± 0.31 | 0.91 ± 0.33 | 0.343 | 0.86 ± 0.37 | 0.84 ± 0.31 | 0.689 | 0.80 ± 0.36 | 0.88 ± 0.29 | 0.313 |
f (%) | 0.42 ± 0.15 | 0.42 ± 0.14 | 0.941 | 0.41 ± 0.16 | 0.43 ± 0.13 | 0.653 | 0.43 ± 0.17 | 0.42 ± 0.14 | 0.854 | 0.43 ± 0.16 | 0.41 ± 0.14 | 0.562 |