Table 2. Change in physical and cognitive functions.

			All (n=169)
			Mean ± SD
Physical function
	ΔGrip strength	(kg)	−1.11 ± 2.79
	ΔOne-leg standing balance	(sec)	−4.06 ± 19.76
	ΔFive-times-sit-to-stand test	(sec)	−0.27 ± 2.07
	ΔTimed up and go	(sec)	−0.21 ± 0.88
	Δ5-m habitual walk	(sec)	−0.13 ± 0.65
	ΔPeg-moving task	(sec)	0.40 ± 3.97
Cognitive function
	ΔTotal score	(point)	5.72 ± 9.21

Δ: amount of change from baseline to the end of the follow-up period (minus indicates function decline).