Table 4 Comparison of decompression parameters in different causes of foraminal stenosis
Spondylolisthesis (including true spondylolisthesis) | Degenerative scoliosis | Hypertrophy of ligamentum flavum or Hyperplasia of articular process | Lumbar intervertebral disc degeneration and Decrease of intervertebral space height | |
|---|---|---|---|---|
DH improvement rate (%); mean | 54.7% | 70.8% | 85.2% | 68.8% |
PDH improvement rate (%); mean | 62.7% | 110.5% | 147.9% | 85.3% |
LDH(left) improvement rate (%); mean | 78.4% | 123.4% | 139.9% | 102.7% |
LDH(right) improvement rate (%); mean | 94.8% | 120.1% | 113.6% | 83.8% |
FH(left) improvement rate (%); mean | 20.9% | 32.7% | 61.0% | 24.6% |
FH(right) improvement rate (%); mean | 28.6% | 36.8% | 47.2% | 32.5% |
FW(left) improvement rate (%); mean | 77.5% | 147.9% | 183.8% | 157.5% |
FW(right) improvement rate (%); mean | 172.9% | 111.2% | 155.4% | 158.9% |
FSCA(left) improvement rate (%); mean | 75.1% | 90.4% | 155.5% | 89.6% |
FSCA(right) improvement rate (%); mean | 74.2% | 90.0% | 84.7% | 101.2% |
SSA improvement rate (%); mean | 69.3% | 87.0% | 92.4% | 59.3% |
SLA improvement rate (%); mean | 45.8% | 74.5% | 42.9% | 90.9% |
LLA improvement rate (%); mean | 38.8% | 32.5% | 29.9% | 44.5% |