Table 2 Measurements of the maximal long and short diameters of PDAC
Hypoattenuating tumor | Isoattenuating tumor | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
40 keV | 50 keV | 60 keV | 70 keV | 80 keV | PEI | 40 keV | 50 keV | 60 keV | 70 keV | 80 keV | PEI | |
Long diameters (mm) | ||||||||||||
R1 | 32.6 ± 10.2 | 32.9 ± 10.1 | 34.4 ± 10.2 | 35.6 ± 10.6 | 37.2 ± 11.0 | 35.8 ± 10.7 | 26.2 ± 4.6 | 26.7 ± 4.8 | 27.0 ± 4.6 | 27.5 ± 4.8 | 28.3 ± 4.7 | 27.7 ± 4.9 |
R2 | 32.9 ± 10.1 | 33.6 ± 10.0 | 34.9 ± 10.2 | 36.2 ± 10.9 | 37.6 ± 11.3 | 36.3 ± 10.9 | 26.5 ± 4.9 | 26.8 ± 5.0 | 27.2 ± 4.9 | 27.2 ± 4.9 | 28.1 ± 5.0 | 27.6 ± 4.7 |
ICC (95%CI) | 0.991 (0.986–0.995) | 0.986 (0.978–0.992) | 0.986 (0.978–0.992) | 0.982 (0.970–0.989) | 0.975 (0.959–0.985) | 0.984 (0.974–0.990) | 0.989 (0.960–0.997) | 0.987 (0.953–0.996) | 0.978 (0.919–0.994) | 0.979 (0.923–0.994) | 0.969 (0.890–0.992) | 0.976 (0.912–0.993) |
Short diameters (mm) | ||||||||||||
R1 | 24.0 ± 7.4 | 24.1 ± 7.3 | 25.4 ± 7.4 | 25.7 ± 7.7 | 26.2 ± 7.5 | 25.3 ± 7.3 | 21.9 ± 5.3 | 22.3 ± 5.4 | 23.3 ± 5.0 | 23.5 ± 5.0 | 24.1 ± 5.6 | 23.2 ± 5.4 |
R2 | 24.1 ± 7.5 | 24.2 ± 7.4 | 25.7 ± 7.5 | 25.6 ± 7.3 | 26.2 ± 7.5 | 25.4 ± 7.4 | 21.9 ± 5.5 | 22.4 ± 6.2 | 23.0 ± 5.7 | 23.0 ± 6.0 | 23.4 ± 5.6 | 22.9 ± 5.8 |
ICC (95%CI) | 0.990 (0.983–0.994) | 0.988 (0.981–0.993) | 0.984 (0.974–0.990) | 0.979 (0.965–0.981) | 0.984 (0.973–0.990) | 0.977 (0.962–0.986) | 0.993 (0.974–0.998) | 0.984 (0.943–0.996) | 0.976 (0.913–0.993) | 0.980 (0.928–0.995) | 0.970 (0.892–0.992) | 0.981 (0.931–0.995) |