Table 3 Results of univariate ANOVA of basic ERP components (Statistically significant differences are shown in bold)
From: Usefulness of event-related potentials in the assessment of mild cognitive impairment
ERP Component | Controls | Patients | Significance | |||
|---|---|---|---|---|---|---|
Age-group | Mean | S.E. | Mean | S.E. | p | |
N200L | ≤ 65 | 220.7 | 8.19 | 235.3 | 4.41 | 0.064 |
> 65 | 244.6 | 6.23 | 252.1 | 3.73 | ||
P300L | ≤ 65 | 353.6 | 11.54 | 381.4 | 6.21 | < 0.001 |
> 65 | 379.9 | 8.78 | 412.8 | 5.26 | ||
SWL | ≤ 65 | 475.0 | 16.68 | 515.5 | 8.97 | < 0.001 |
> 65 | 506.4 | 13.04 | 547.5 | 7.60 | ||
N200A | ≤ 65 | 8.05 | 1.27 | 10.62 | 0.69 | 0.029 |
> 65 | 6.80 | 1.03 | 8.37 | 0.59 | ||
P300A | ≤ 65 | 17.02 | 2.15 | 17.80 | 1.17 | 0.114 |
> 65 | 10.85 | 1.68 | 15.08 | 0.99 | ||
P300L | ≤ 65 | 371.1 | 9.88 | 387.3 | 5.22 | 0.003 |
(covariate N200L) | > 65 | 378.5 | 7.29 | 405.4 | 4.48 | |
SWL | ≤ 65 | 485.3 | 16.80 | 519.0 | 8.88 | 0.004 |
(covariate N200L) | > 65 | 505.6 | 12.75 | 543.2 | 7.62 | |
SWL | ≤ 65 | 510.5 | 13.56 | 525.2 | 7.05 | 0. 288 |
(covariate P300L) | > 65 | 521.4 | 10.26 | 528.1 | 6.30 | |
P300A | ≤ 65 | 17.02 | 2.15 | 17.80 | 1.17 | 0.341 |
(covariate N200A) | > 65 | 10.85 | 1.68 | 15.08 | 0.99 | |