Group A | n. | Group B | n. | Group C |
Bilateral decompression laminectomy, facetectomy from L2 to L5 and correction of degenerative scoliosis by fusion | 4 | Bilateral endoscopic lamioforaminectomy with discectomy | 4 | Unilateral microscopic lamino-foraminotomy and discectomy one level |
Laminectomy and medial facetectomy, discectomy, cage with TLIF fusion | 2 | Bilateral endoscopic lamioforaminectomy without discectomy | 13 | Unilateral microscopic lamino-foraminotomy two levels |
Laminectomy and medial facetectomy, discectomy with PLI fusion | 3 | Endoscopic unilateral decompression with discectomy | 10 | Bilateral microscopic lamino-foraminotomy without discectomy |
Classic laminectomy and discectomy | 5 | Endoscopic unilateral decompression without discectomy | 20 | Unilateral microscopic laminectomy with discectomy two levels |
Decompression laminectomy, facetectomy and fusion | 1 |
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| Unilateral microscopic lamino-foraminotomy one level |
Laminectomy and artherectmy | 2 |
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| Unilateral microscopic laminectomy |
Weiner technique | 1 |
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Hinge osteotomy | 1 |
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Classic laminectomy and bilateral foraminectomy | 2 |
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