Efficacy and safety of Kami-guibi-tang for mild cognitive impairment: a pilot, randomized, double-blind, placebo-controlled trial

Table 4 Memory domain subset scores at baseline and the 24th week

Variables	KGT group (n = 16)			Placebo group (n = 14)			Between-group comparison
Variables	Baseline	24th week	p-value^†	Baseline	24th week	p-value^†	p-value^*
Memory	57.88 (17.76)	74.34 (22.66)	< 0.001	57.39 (17.97)	66.25 (28.94)	0.051	0.398
Orientation	6.0 (6.0–6.0)	6.0 (5.3–6.0)	0.257	6.0 (5.0–6.0)	6.0 (5.0–6.0)	0.564	0.340
SVLT recall	17.5 (15.0–25.3)	24.5 (15.5–29.8)	0.003	17.0 (13.0–21.3)	20.0 (13.0–26.3)	0.081	0.190
SVLT recognition	7.0 (6.0–8.0)	7.5 (5.3–10.0)	0.109	6.0 (4.0–8.0)	6.0 (3.8–8.3)	0.826	0.158
RCFT recall	20.00 (10.30)	29.91 (13.54)	< 0.001	20.89 (10.43)	27.32 (18.25)	0.062	0.660
RCFT recognition	5.9 (2.6)	7.6 (1.9)	0.002	6.6 (2.1)	7.4 (2.8)	0.223	0.821

KGT, kami-guibi-tang; SVLT, Seoul Verbal Learning Test; RCFT, Rey Complex Figure Test
Values are presented as means (standard deviations) or medians (Q1–Q3)
^†p-value for the intergroup comparison using the paired t-test or Wilcoxon’s signed rank test
^*p-value for the between-group comparison of the 24th-week scores using the independent t-test or Mann-Whitney U test

ISSN: 2662-7671