| ANOVA | Analysis of Variance |
| BI | Blinding Index |
| CV | Co-efficient of variation |
| ESPEN | European Society for Parenteral and Enteral Nutrition |
| GI | Gastrointestinal |
| GLN | l-Glutamine |
| HIGH | High Glutamine Trial |
| LOW | Low Glutamine Trial |
| MED | Medium Glutamine Trial |
| mVAS | Modified Visual Analogue Scale |