Table 2 The SASS was based on the MTF classification
From: The prospective evaluation and risk factors of dysphagia after surgery in patients with oral cancer
The method of food intake (M score) | |
M1 | Tube feeding is the only method of intake |
M2 | Small portions of food can be eaten, but tube feeding is the main method of intake |
M3 | Capacity to eat anything if the food is prepared in a suitable form |
M4 | Almost all food can be swallowed, but care must be taken to avoid aspiration |
M5 | All food can be swallowed |
The average time for food intake (T score) | |
T1 | Intake of food requires more than 50 min or is impossible |
T2 | Intake of food requires 35 to 45 min |
T3 | Intake of food requires 25 to 35 min |
T4 | Intake of food requires 15 to 25 min |
T5 | Normal food intake time, < 15 min |
The group of the food that can be taken (F score) | |
F1 | Only no viscous fluids can be swallowed |
F2 | Viscous fluids can be swallowed |
F3 | Gruel food can be eaten |
F4 | Soft food such as cooked rice or vegetables can be eaten |
F5 | Any type of food can be eaten |