Table 1.
Q3DCT and 2DCT measurements of the fracture characteristics in 10 patients who had suffered various types of tibial plateau fractures.
Patient | Classification | Q3DCT measurements | 2DCT measurements | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No. | Schatzker | AO/OTA | Gap | Step-off | Gap area (mm2) | Articular surface involvement (%) | 3D- displacement | Maximum Gap (mm) | Maximum Step-off (mm) | ||||
Maximum (mm) | Mean (mm) | Maximum (mm) | Mean (mm) | Fragments (N) | Displaced fragments (N) | Displacement (mm) | |||||||
1. | 1 | 41-B1 | 2.9 | 1.2 | 3.3 | 1.6 | 57 | 18.9 | 2 | 1 | 2.2 | 2.4 | 3.3 |
2. | 2 | 41-B3 | 14.9 | 10.3 | 6.6 | 3.7 | 314 | 28.8 | 4 | 3 | 6.4; 47.2; 15.0; | 11.2 | 7.8 |
3. | 2 | 41-B3 | 8.5 | 5.6 | 3.7 | 1.7 | 254 | 12.7 | 2 | 1 | 5.0 | 7.4 | 3.1 |
4. | 2 | 41-B3 | 3.9 | 1.8 | 6.1 | 4.8 | 28 | 10.5 | 3 | 2 | 4.3; 2.0; | 3.3 | 5.1 |
5. | 4 | 41-B3 | 18.3 | 14.2 | 3.7 | 1.8 | 510 | 78.0 | 4 | 3 | 11.3; 9.0; 8.1; | 12.4 | 6 |
6. | 4 | 41-B3 | 6.6 | 3.7 | 6.4 | 2.3 | 215 | 100.0 | 3 | 3 | 17.6; 10.8; 15.4; | 7.3 | 0 |
7. | 5 | 41-C1 | 4.4 | 2.2 | 5.0 | 2.6 | 298 | 37.3 | 2 | 1 | 5.7 | 3.9 | 4.6 |
8. | 2 | 41-B3 | 2.8 | 2.0 | 5.9 | 1.7 | 18 | 15.3 | 3 | 2 | 2.7; 2.6; | 2.8 | 2.9 |
9. | 2 | 41-B3 | 2.7 | 1.0 | 6.6 | 3.2 | 77 | 39.7 | 3 | 2 | 3.6; 2.3 | 2.9 | 3.8 |
10. | 4 | 41-B3 | 5.3 | 2.7 | 4.3 | 1.9 | 286 | 75.1 | 5 | 4 | 3.2; 6.7; 6.8; 5.6; | 5.2 | 5.2 |
Median (IQR) | N/A | N/A | 5.3 (4.3) | 2.5 (3.3) | 5.2 (2.3) | 2.1 (1.3) | 235 (233) | 33 (50) | N/A | N/A | 6.1 (7.1) | 8.6 (7.8) | 5.3 (1.7) |