From: Usefulness of event-related potentials in the assessment of mild cognitive impairment
Parameter | Patients | Controls | Statistic |
---|---|---|---|
N (female-male) | 91 (56–35) | 30(15–15) | χ2 = 0.27 |
Age Mean (SD) | 67.1(6.9) | 68.7(9.9) | t = 0.96 p = 0.34 |
Age range | 46–83 | 49–90 | - |
Age ≤ 65 (female) | 38(28) | 11(5) | χ2 = 0.08 |
Age > 65 (female) | 53(28) | 19(10) | χ2 = 0.99 |
N200L (mean ± SD), ms | 245.1 ± 29.9 | 234.4 ± 24.3 | U = 1215, p = 0.371 |
P300L (mean ± SD), ms | 399.7 ± 43.3 | 367.6 ± 28.9 | U = 783, p < 0.001 |
SWL (mean ± SD), ms | 534.1 ± 60.6 | 495.0 ± 45.6 | U = 800, p = 0.001 |
N200A (mean ± SD), μV | 9.3 ± 0.44 | 7.3 ± 0.39 | U = 897, p = 0.025 |
P300A (mean ± SD), μV | 16.2 ± 0.77 | 13.5 ± 0.57 | U = 1032, p = 0.107 |