Swallowing, nutritional and QOL measurements across all time points
| Instrument | Time point 1: baseline function and consent | Time point 2: POD 4/5 | Time point 3: 1 month | Time point 4: 6 months |
| 1. Swallow screening tool (TOR-BSST)60 | x | x | x | |
| 2. Cough reflex testing (CRT)39–41 | x | x | x | |
| 3. Tongue pressure measurement (IOPI)38 | x | x | x | |
| 4. Aerodigestive symptoms: Symptom Reflux Index42 | x | x | x | |
| 5. FOIS, IDDSI, SARC-F, MST, weight and BMI30 37 50 51 | x | x | x | |
6. QOL measures:
| x | x | x |
EORTC, Quality of Life Questionnaire-18; FOIS, Functional Oral Intake Scale; IDDSI, International Dysphagia Diet Standardisation Initiative; IDDSI, International Dysphagia Diet Standardisation Initiative; IOPI, Iowa Oral Performance Instrument; MDADI, MD Anderson Dysphagia Inventory; MST, malnutrition screening tool; POD, post-operative day; QOL, quality of life; SARC-F, Strength, Assistance with Walking, Rise from a Chair, Climb Stairs, and Falls; SWAL-QOL, Swallowing Quality of Life questionnaire.