Table 4. K-TMT-E status according to follow-up.

Measure		Baseline	Week 12	Week 28	p-value*
ALC					0.117
	Success	30	29	29
	Fail	0	0	0
Placebo
	Success	24	23	23
	Fail	2	2	2

K-TMT-E: Korean-Trail Making Test-Elderly's Version, ALC: Acetyl-L-carnitine.

^*χ² test was done.