Table 1.
Characteristics of patients with ADHD and controls (mean ± standard deviation)
| Patients with ADHD (N = 47) | Controls (N = 47) | |
|---|---|---|
| Age (years) | 35.79 ± 11.07 | 34.72 ± 13.66 |
| Intellectual functions (IQ)a | 104.36 ± 10.89 | 105.85 ± 10.90 |
| Educational levelb | 1.83 ± 1.36 | 1.45 ± 1.08 |
| Gender (female/male) | 19/28 | 25/22 |
| ASRSc | 28.40 ± 8.17* | 10.22 ± 6.25 |
| WURS-Kd | 36.18 ± 12.89* | 13.50 ± 9.62 |
| BDIe | 20.21 ± 10.71* | 6.91 ± 6.95 |
| Flei Attentionf | 26.24 ± 8.19* | 9.27 ± 6.23 |
| Flei Executive functionsf | 21.51 ± 8.13* | 8.98 ± 5.83 |
| Flei Memoryf | 24.80 ± 7.32* | 11.82 ± 6.25 |
| Flei Totalf | 72.55 ± 21.59* | 30.07 ± 17.21 |
| I-Flei Attentiong | 20.54 ± 9.39* | 6.47 ± 6.21 |
| I-Flei Executive functionsg | 19.50 ± 9.00* | 5.67 ± 4.66 |
| I-Flei Memoryg | 17.74 ± 9.40* | 7.31 ± 5.38 |
| I-Flei Totalg | 57.78 ± 25.71* | 19.44 ± 15.0 |
* Pairwise comparison significant at p < .001
a Multiple Choice Vocabulary Test (MWT-B)
b Lower scores indicate higher educational level
c ASRS: ADHD self-rating scale
d WURS-K: Wender Utah rating scale, short form
e Beck’s Depression Inventory
f Self-report version of the complaints of cognitive disturbances questionnaire (Flei)
g Informant-report version of the complaints of cognitive disturbances questionnaire (Flei)