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MacNab scoring values of 37 CLDH patients receiving release and decompression techniques through PTED.
| Time | Excellent | Good | Fair | Poor | P-value |
|---|---|---|---|---|---|
| Before surgery | 0 | 0 | 2 | 35 | <0.05 |
| 3 months after surgery | 27 | 3 | 7 | 1 | <0.05 |
| 1 year after surgery | 30 | 2 | 5 | 0 | <0.05 |
| Last follow-up | 32 | 1 | 3 | 1 | <0.05 |
CLDH, central lumbar disc herniation; PTED, percutaneous transforaminal endoscopic discectomy.
