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Comparison of imaging findings of patients with leg pain between the G and P groups.
| Leg Pain | Group G (n = 21) | Group P (n = 13) | p-Value |
|---|---|---|---|
| disc height decreases ≥ 25% | 15 | 6 | 0.168 † |
| HIC of protruded NP on MRI | 14 | 4 | 0.042 † |
| the spinal canal occupying ratio ≥ 40% | 13 | 3 | 0.028 † |
| Pfirrmann classification | 0.591 † | ||
| Grade II | 7 | 6 | |
| Grade III | 13 | 7 | |
| Grade IV | 1 | 0 |
†: χ2 test. HIC = high-intensity change, NP = nucleus pulposus, MRI = magnetic resonance imaging. p < 0.05 is shown in bold.
