Secondary outcome: Berg balance scale
BBS, balance disorder
The Berg balance scale (BBS) is a quantitative diagnostic instrument used to determine the severity and progress of balance disorder. There are 14 items in all, with 5 grades ranging from 0 to 4, and a total score ranging from 0 to 56; the greater the score, the better the indication of functional balance. The BBS score has a minimum clinically meaningful difference (MCID) of 5 (