Table 4.
Memory domain subset scores at baseline and the 24th week
| Variables | KGT group (n = 16) | Placebo group (n = 14) | Between-group comparison |
||||
|---|---|---|---|---|---|---|---|
| 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