Controls (n = 15) | Individuals with Opioid Dependence (n = 15) | |||||
---|---|---|---|---|---|---|
Domain | Mean ± SD (CI)a | Mean ± SD (CI) | F | df | d | P |
Test | ||||||
Attention | ||||||
PASAT | 47.5 ± 7.8 (43.2 – 51.8) | 36.1 ± 10.1 (30.4 – 41.7) | 12.00 | 1,28 | 1.26 | 0.002 |
WMS-R Digit Span | 15.4 ± 3.8 | 14.9 ± 2.7 | 0.15 | 1,28 | 0.15 | NS |
Memory | ||||||
RAVLT, sum of learning trials 1–3 | 32.3 ± 6.1 | 28.9 ± 6.0 | 2.64 | 1, 28 | 0.56 | NS |
RAVLT, delayed recall | 10.7 ± 2.8 | 9.0 ± 2.8 | 2.65 | 1, 28 | 0.61 | NS |
WMS-R Logical Memory, immediate | 28.0 ± 5.5 | 25.9 ± 8.1 | 0.72 | 1, 28 | 0.30 | NS |
WMS-R Logical Memory, delayed recall | 25.1 ± 6.6 | 22.3 ± 7.3 | 1.20 | 1, 28 | 0.40 | NS |
BVRT, number of right figures | 7.4 ± 1.3 | 6.8 ± 1.6 | 0.88 | 1, 28 | 0.41 | NS |
Executive function | ||||||
Stroop, modified interference time | 24.5 ± 12.0 | 25.1 ± 8.8 | 0.30 | 1, 28 | 0.12 | NS |
RFFT, unique designs | 86.3 ± 22.6 (73.9 – 98.8) | 68.1 ± 21.2 (43.2 – 51.8) | 5.22 | 1, 28 | 0.83 | 0.03 |
RFFT, perseverative errors | 2.8 (2.6) | 3.4 (2.9) | 0.34 | 1,28 | 0.22 | NS. |
Fluid intelligence | ||||||
CFIT | 34.0 ± 3.8 (32.5 – 36.7) | 30.4 ± 4.2 (28.0 – 32.8) | 7.97 | 1, 27 | 0.90 | 0.009 |