Table 1. Functional outcome swallowing scale.

Stage	Symptoms
0	Normal function and asymptomatic
1	Normal function with episodic or daily symptoms of dysphagia
2	Compensated abnormal function, prolonged mealtime, no body weight loss
3	Decompensated abnormal function, body weight loss<10% over 6 months
4	Severely decompensated abnormal function, body weight loss>10% over 6 months
5	Non-oral feeding for all nutrition