Research Article

Efficacy of Kami Guibi-tang as an Add-On Therapy to Acetylcholinesterase Inhibitor for Cognitive Function in Mild Alzheimer’s Disease: A Pilot Study

Table 2

Baseline characteristics of participants.

CharacteristicKGT (n = 9)Placebo (n = 7) value

Age (years)70.7 ± 6.8, 79.0 (12.0)75.7 ± 10.1, 69.0 (9.0)0.18
SexFemale6 (85.7%)5 (71.4%)1.00
Male1 (14.3%)2 (28.6%)
EducationElementary school graduation3 (42.9%)3 (42.9%)1.00
High school graduation3 (42.9%)2 (28.6%)
University graduation1 (14.3%)2 (28.6%)
Presence of ApoE ε4 allele1 (14.3%)1 (14.3%)1.00
Clinical characteristics
SNSB-D total score119.86 ± 30.38, 115.00 (59.00)93.79 ± 23.58, 86.00 (46.50)0.18
 Attention2.43 ± 0.53, 7.00 (5.00)2.57 ± 1.13, 7.00 (2.00)0.25
 Language and related function18.14 ± 5.11, 18.00 (12.00)16.43 ± 5.88, 19.00 (8.00)0.62
 Visuospatial function25.43 ± 10.30, 28.00 (10.50)27.36 ± 5.38, 31.50 (18.00)1.00
 Memory36.00 ± 16.56, 41.50 (26.00)21.57 ± 8.13, 20.00 (14.00)0.12
 Frontal and executive function33.29 ± 14.16, 33.00 (16.00)22.29 ± 9.50, 24.00 (16.00)0.17
Other indexes
 K-MMSE22.86 ± 3.67, 22.00 (6.00)21.00 ± 2.71, 21.00 (2.00)0.53
 SGDS6.29 ± 3.68, 4.00 (5.00)1.83 ± 2.64, 1.00 (2.00)0.04
 Barthel-ADL20.00 ± 0.00, 20.00 (0.00)19.29 ± 1.50, 20.00 (1.00)0.20
 K-IADL0.65 ± 0.39, 0.56 (0.73)1.13 ± 0.69, 1.00 (1.06)0.18
 CDR-SB4.86 ± 1.03, 4.50 (1.00)5.50 ± 1.58, 5.00 (1.00)0.26
 CDR-GS1.00 ± 0.00, 1.00 (0.00)1.00 ± 0.00, 1.00 (1.00)1.00
 GDS4.71 ± 0.49, 5.00 (1.00)4.86 ± 0.38, 5.00 (0.00)0.60
 KQoL-AD
  Patients31.14 ± 5.58, 28.00 (10.00)34.29 ± 6.60, 35.00 (10.00)0.42
  Caregivers27.86 ± 5.11, 26.00 (6.00)30.57 ± 7.52, 33.00 (16.00)0.75
 CGA-NPI6.86 ± 5.30, 8.00 (12.00)7.00 ± 8.14, 3.00 (12.00)0.90

KGT, Kami Guibi-tang; ApoE, apolipoprotein E; SNSB-D, Seoul Neuropsychological Screening Battery-Dementia Version; K-MMSE, Korean Mini-Mental State Examination; SGDS, Short-form Geriatric Depression Scale; Barthel-ADL, Barthel index of activities of daily living; K-IADL, Korean Instrumental Activities of Daily Living; CDR-SB, Clinical Dementia Rating Scale–Sum of Boxes; CDR-GS, Clinical Dementia Rating Scale-Global Score; GDS, Global Deterioration Scale; KQoL-AD, Korean Quality of Life-Alzheimer’s disease; CGA-NPI, Caregiver-Administered Neuropsychiatric Inventory. Values are presented as mean ± standard deviation, median (interquartile range), or number (proportions, %). Based on chi-squared or Fisher’s exact test.