Attention-Deficit/Hyperactivity Disorder in Childhood Is Associated with Cognitive Test Profiles in the Geriatric Population but Not with Mild Cognitive Impairment or Alzheimer's Disease

Table 1

Demographic and clinical variables in presumptive positive and negative childhood ADHD subjects as determined by Wender-Utah Rating Scale score.

Parameter	ADHD positive (𝑛=13)	ADHD negative (𝑛=297)	P value
Age (mean years ± SD)	74.3±7.4	77.9±7.5	0.09^†
Gender (M : F)	5 : 8	103 : 194	0.78^‡
Cognitive status (Normal : Impaired)	10 : 3	233 : 64	0.90^‡
Education (mean ± SD)	15.7±3.3	16.5±2.6	0.31^†
CDR Sum of boxes (median)
Normal cognition	0.0	0.0	0.20^§
Impaired cognition	3.5	0.5	0.03^§
CDR Global score (median)
Normal cognition	0.0	0.0	0.28^§
Impaired cognition	1.0	0.5	0.37^§

^†Student’s t-test, 308 d.f.; ^‡χ ² test, 1 d.f.; ^§Mann-Whitney U-test.