Table 3 The ultrasound data at spondylolisthesis level and one upper level
Normal | Spondylolisthesis | P value | ||
|---|---|---|---|---|
Spondylolisthesis level | ||||
Transverse midline view | Depth to LFD, cm | 4.2 ± 0.7 | 4.0 ± 0.6 | 0.50 |
Depth to AC, cm | 5.4 ± 0.6 | 5.3 ± 0.7 | 0.82 | |
LFD to AC, cm | 1.2 ± 0.3 | 1.3 ± 0.3 | 0.22 | |
Parasagittal oblique view | Interlamina height of LFD, cm | 2.1 ± 0.9 | 1.8 ± 1.1 | 0.63 |
Depth to LFD, cm | 3.9 ± 0.5 | 3.8 ± 0.4 | 0.28 | |
Depth to AC, cm | 5.1 ± 0.6 | 5.1 ± 0.6 | 0.67 | |
LFD to AC, cm | 1.2 ± 0.2 | 1.3 ± 0.4 | 0.13 | |
Upper level | ||||
Transverse midline view | Depth to LFD, cm | 4.1 ± 0.7 | 4.1 ± 0.6 | 0.83 |
Depth to AC, cm | 5.3 ± 0.7 | 5.5 ± 0.9 | 0.43 | |
LFD to AC, cm | 1.2 ± 0.2 | 1.4 ± 0.5 | 0.16 | |
Parasagittal oblique view | Interlamina height of LFD, cm | 1.1 ± 0.4 | 1.0 ± 0.4 | 0.18 |
Depth to LFD, cm | 4.2 ± 0.5 | 4.3 ± 0.6 | 0.69 | |
Depth to AC, cm | 5.6 ± 0.6 | 5.6 ± 0.8 | 0.68 | |
LFD to AC, cm | 1.3 ± 0.4 | 1.3 ± 0.4 | 0.82 | |