| Diagnosis | n | % |
| Nonspecific low back pain | 46 | 54.8 |
| Disc prolapse with central canal stenosis | 22 | 26.2 |
| Facet arthropathy with lateral recces stenosis | 10 | 11.9 |
| Spondylolisthesis | 6 | 7.1 |
| Total | 84 | 100.0 |