Table 2 Comparison of MR images in patients with lumbar spine stenosis
From: Radiological and functional assessment in patients with lumbar spinal stenosis
Levels | L1/2 | L2/3 | L3/4 | L4/5 | L5/S1 | p valuea |
|---|---|---|---|---|---|---|
Case no. | 47 | 47 | 47 | 47 | 47 | |
Central stenosis | ||||||
Grade 0 | 96% | 72% | 40% | 15% | 43% | |
Grade 1–3 | 4% | 28% | 60% | 85% | 57% | < 0.001 |
Lateral recess stenosis | ||||||
Positive, right | 4% | 30% | 62% | 87% | 60% | < 0.001 |
Positive, left | 4% | 34% | 64% | 92% | 62% | < 0.001 |
p value | (NS) | (NS) | (NS) | (NS) | (NS) | |
Foraminal stenosis | ||||||
Grade 1, right/left | 87% / 89% | 60% / 60% | 19% / 23% | 9% / 4% | 28% / 28% | |
Grade 2–4, right/left | 13% / 11% | 40% /40% | 81% / 77% | 91% / 96% | 72% / 72% | < 0.001b |
p value | (NS) | (NS) | (NS) | (NS) | (NS) | |