| IBD | Inflammatory Bowel Disease |
| HADS | Hospital Anxiety and Depression Scale |
| HADS-A | Hospital Anxiety and Depression Scale-Anxiety subscale |
| HADS-D | Hospital Anxiety and Depression Scale-Depression subscale |
| HADS-T | Hospital Anxiety and Depression Scale-Total score |
| UC | Ulcerative Colitis |
| CD | Crohn’s Disease |
| HBI | Harvey–Bradshaw Index |
| PMS | Partial Mayo Score |
| CRP | C-reactive protein |
| BMI | Body mass index |