Demographic and clinical characteristics of participants with ADHD
| Characteristics | Value |
|---|---|
| Age (yr) | 19.1±2.2 |
| Sex, male | 85 (81.0) |
| K-WAIS-IV | |
| VCI | 88.8±20.6 |
| PRI | 84.6±21.5 |
| WMI | 85.7±22.0 |
| PSI | 79.3±19.8 |
| FSIQ | 80.7±22.8 |
| CPT-3 (T-score) | |
| Detectability | 48.3±13.2 |
| Omissions | 51.6±13.2 |
| Commissions | 47.7±10.4 |
| HRT | 53.0±12.6 |
| HRT SD | 47.8±13.8 |
| Variability | 48.1±12.1 |
| Perseverations | 49.9±10.6 |
| HRT Block Change | 47.1±11.3 |
| HRT ISI Change | 49.0±10.1 |
| Medication, yes | 46 (43.8) |
Values are presented as mean±standard deviation or n (%). n=105 for age, sex, K-WAIS-IV scores, and medication. n=68 for CPT-3 scores, except for Inattentiveness Variability (n=67) and Sustained Attention HRT Block Change (n=67). ADHD, attentiondeficit/hyperactivity disorder; CPT-3, The Conners Continuous Performance Test 3rd Edition; FSIQ, Full Scale Intelligence Quotient; HRT, Hit Reaction Time; HRT Block Change, Hit Reaction Time Block Change; HRT ISI Change, Hit Reaction Time Inter-Stimulus Intervals Change; HRT SD, Hit Reaction Time Standard Deviation; K-WAIS-IV, Korean version of Wechsler Adult Intelligence Scale 4th Edition; PRI, Perceptual Reasoning Index; PSI, Processing Speed Index; VCI, Verbal Comprehension Index; WMI, Working Memory Index