Table 2.
Cognitive performance in the AD and control groups
| Cognitive measures | AD group (n = 30) | Control group (n = 28) | p value |
|---|---|---|---|
| MMSE | 19.6 (5. 4) | 28.4 (1.3) | < 0.001 |
| CASI | 72.3 (14.0) | 94.2 (4.5) | < 0.001 |
| ADAS-Cog | 21.2 (10.4) | 4.3 (2.8) | < 0.001 |
| COMT | |||
| IR-T1 | 3.1 (1.7) | 6.7 (1.4) | < 0.001 |
| IR-T2 | 4.4 (1.6) | 8.4 (1.2) | < 0.001 |
| IR-T3 | 5.2 (1.5) | 9.0 (0.9) | < 0.001 |
| DR5 | 2.6 (2.1) | 8.4 (1.2) | < 0.001 |
| DR30 | 1.8 (2.0) | 8.6 (1.0) | < 0.001 |
Data are presented as the mean (SD). p values were obtained using Student’s t tests for all data
AD Alzheimer’s disease, MMSE Mini-Mental State Examination, CASI Cognitive Ability Screening Instrument, ADAS-Cog Alzheimer’s disease assessment scale–cognitive portion, COMT common object memory test, IR-T1 trial #1 of the immediate recall test, IR-T2 trial #2 of the immediate recall test, IR-T3 trial #3 of the immediate recall test, DR5 5-min delayed recall test, DR30 30-min delayed recall test