Table 3.
Unit | First session (ranges) |
Second session (ranges) |
||||
---|---|---|---|---|---|---|
Largest grey shade difference for the same voxel | Mean grey shade difference | Percentage of voxels that changed value | Largest grey shade difference for the same voxel | Mean grey shade difference | Percentage of voxels that changed value | |
CRAN | 2137–6069 | −0.3 to 1.0 | 64.6 to 65.1 | 2340 to 6286 | −1.6 to −0.5 | 71.6 to 71.7 |
SCAN | 1718–2946 | −3.8 to 0.2 | 72.1 to 72.3 | 2297 to 4489 | −6.5 to −0.4 | 72.1 to 72.3 |
NEWT | 7380–14,948 | −0.8 to 2.7 | 57.4 to 59.0 | 6425 to 8336 | −0.9 to 2.6 | 58.9 to 59.9 |
PROM | 1237–3732 | −16.5 to −6.7 | 68.3 to 68.6 | 7930 to 8114 | 38.4 to 40.3 | 66.4 to 71.2 |
ICAT | 2442–5059 | −2.5 to −0.4 | 99.8 to 99.8 | 6485 to 7317 | −0.4 to 45.9 | 99.8 to 99.8 |
ACCU | 2631–3259 | −61.6 to 108.9 | 96.4 to 96.6 | 2369 to 3236 | −39.6 to 165.0 | 95.5 to 96.6 |
ACCU, 3D Accuitomo FPD80 (Morita, Kyoto, Japan); CRAN, Cranex® 3D (Soredex Oy, Tuusula, Finland); ICAT, i-CAT (Imaging Sciences International, Hatfield, PA); NEWT, NewTom™ 5G (QR Srl, Verona, Italy); PROM, Promax® Dimax 3 Digital (Planmeca Oy, Helsinki, Finland); SCAN, Scanora® 3D (Soredex Oy).