No difference between the groups was observed in the sub-score for attention.
Scores for attention and hyperactivity/impulsivity, respectively, were determined according to DSM-IV (range 0 27 for both).
Conversely, groups only showed small and statistically insignificant differences in the domain z-scores for attention during formal neuropsychological testing.
Results: Cord blood mercury concentrations were associated with higher TRF symptom scores for attention problems and DBD scores consistent with ADHD.
There are two scores for attention, Power of Attention is the summation of the speed scores from the three attention tests (Simple and choice reaction time, digit vigilance), and reflects the ability to focus attention.
QbTest scores: Q-scores for attention, impulsivity and activity will be compared with DAWBA ADHD diagnosis to obtain the best predictive model based on QbTest scores that discriminates between ADHD 'positive' and ADHD 'negative' gold standard DAWBA diagnosis.
Among CBCL syndrome score outcomes (Table 3), MiBP concentrations were associated with higher scores for Attention Problems (β = 0.20; 95% CI: 0.01, 0.39) and Aggressive Behavior (β = 0.24; 95% CI: 0.03, 0.45).
By using the stepwise regression analysis, we observed that regional cerebral glucose metabolism, in three areas of the brain that are affected early on in the disease course (medial temporal, posterior cingulate and lower parietal), significantly correlated (P < 0.05) with test scores for attention, episodic memory and FSIQ during progression of the disease (Fig. 4).
By contrast, the AP+ subgroup was distinct because of both poorer performance on the clinical test battery (by definition) and poorer mean scores for attention [ F 2,43) = 7.05, p < 0.01, Bonferroni post hoc tests, AP+ < TD (p < 0.001), AP+ < AP− (p = 0.06)].
