Table 3.
Comparison of cognitive measures between Korean Red Ginseng and placebo groups after 6 weeks of treatment
| Variables | Korean Red Ginseng group (n = 32) |
Placebo group (n = 31) |
Group effect |
Group by time effect |
||||
|---|---|---|---|---|---|---|---|---|
| Baseline | 6 weeks | Baseline | 6 weeks | F | p | F | p | |
| Visually controlled continuous performance test (CPT) [mean (SD)] | ||||||||
| Number of correct response | 59.68 (8.16) | 61.72 (3.97) | 60.96 (5.97) | 61.75 (1.82) | 0.29 | 0.594 | 0.39 | 0.538 |
| Omission error | 3.24 (8.19) | 1.08 (3.00) | 2.04 (5.97) | 1.25 (1.82) | 0.20 | 0.660 | 0.46 | 0.500 |
| Commission error 1 | 0.56 (1.81) | 0.60 (2.06) | 2.96 (8.35) | 1.46 (4.64) | 1.72 | 0.197 | 1.36 | 0.249 |
| Commission error 2 | 2.52 (10.95) | 0.36 (0.64) | 2.17 (9.36) | 0.54 (0.88) | <0.01 | 0.953 | 0.03 | 0.857 |
| Correct response time | 0.455 (0.10) | 0.439 (0.09) | 0.461 (0.10) | 0.475 (0.10) | 0.75 | 0.393 | 3.84 | 0.056 |
| Auditory controlled CPT [mean (SD)] | ||||||||
| Number of correct response | 60.48 (2.49) | 59.56 (3.87) | 59.38 (4.34) | 58.46 (4.63) | 1.47 | 0.232 | <0.01 | 0.998 |
| Omission error | 2.52 (2.49) | 3.24 (3.64) | 3.63 (4.34) | 4.54 (4.63) | 1.82 | 0.184 | 0.02 | 0.879 |
| Commission error 1 | 1.88 (1.81) | 1.92 (2.00) | 3.88 (7.01) | 3.75 (5.48) | 2.42 | 0.127 | 0.03 | 0.860 |
| Commission error 2 | 0.16 (0.37) | 0.12 (0.33) | 1.67 (6.30) | 0.21 (0.51) | 1.58 | 0.215 | 1.26 | 0.268 |
| Correct response time | 0.659 (0.09) | 0.649 (0.09) | 0.674 (0.09) | 0.647 (0.08) | 0.61 | 0.437 | 1.15 | 0.290 |
SD, standard deviation.