| BSFS | Bristol stool form scale |
| CSS | Constipation scoring system |
| CI | Confidence Interval |
| IBAT | Ileal bile acid transporter |
| MedDRA/J | Medical Dictionary for Regulatory Activities/J |
| QOL | Quality of life |
| RED | Rectal evacuation disorder |
| SBM | Spontaneous bowel movement |
| US | Ultrasonography |