ANCOVA	Analysis of covariance
BMI	Body mass index
CI	Confidence interval
CTCAE	Common Terminology Criteria for Adverse Events
HNC	Head and neck cancer
IQR	Interquartile range
ITT	Intention-to-treat
PEG	Percutaneous endoscopic gastrostomy
PG-SGA	Patient-Generated Subjective Global Assessment
NG	Nasogastric
RDI	Recommended daily intake
RCTs	Randomized controlled trials
SD	Standard deviation