| ALDH | Adolescent Lumbar Disc Herniation |
| LDH | Lumbar Disc Herniation |
| PROM | Patient-Reported Outcome Measure |
| ODI | Oswestry Disability Index |
| NRS | Numeric Rating Scale |
| GPE | Global Perceived Effect |
| EPR | Electronic Patient Record |
| ICD-10 | International Classification of Diseases, Tenth Revision |
| NCSP | NOMESCO Classification of Surgical Procedures |
| REK | Regional Committee for Medical and Health Research Ethics |