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| Pathology, n (%) | Number (N = 252) |
|---|---|
| Disc pathology: | 236 (93.7) |
| Disc reduction <50% | 124 (49.2) |
| Disc reduction ≥50% | 94 (37.3) |
| Disc protrusion | 109 (43.3) |
| Disc extrusion | 28 (11.1) |
| Disc sequestration | 11 (4.4) |
| Stenosis: | 180 (71.4) |
| Central/lateral recess | 116 (46.0) |
| Foraminal | 74 (29.4) |
| Not specified | 5 (2.0) |
| Spondylolisthesis: | 133 (52.8) |
| Degenerative | 92 (36.5) |
| Isthmic | 42 (16.7) |
| Grade 1 | 112 (44.4) |
| Grade 2 | 21 (8.3) |
| Grade >2 | 0 (0) |
| Other | 21 (8.3) |
