| BMI | Body Mass Index |
| CT | Computed Tomography |
| EQ-5D VAS | EuroQol 5D Visual Analogue Scale |
| GP | General Practitioner |
| HNP | Herniated Nucleus Pulposus |
| MD | Missing Data |
| MRI | Magnetic Resonance Imaging |
| NSAID | Non-Steroidal Anti-Inflammatory Drug |
| ÖREBRO | Örebro Musculoskeletal Pain Screening Questionnaire |
| QoL | Quality of Life |
| RDQ | Roland Disability Questionnaire |
| TAMPA | Tampa Scale of Kinesiophobia |
| VAS | Visual Analogue Scale |
| YLD | Years Lived with Disability |