Table 4 |
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|
Comparisons of individuals with opioid dependence and controls on cognitive measures using ANOVA |
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|
Controls (n = 15) |
Individuals with Opioid Dependence (n = 15) |
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|
|
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|
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 |
|
|
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|
a CI = confidence interval Note: CFIT = Culture Fair Intelligence Test; PASAT = Paced Auditory Serial Addition Task; WMS-R = Wechsler Memory Scale-Revised; RAVLT = Rey Auditory Verbal Learning; BVRT = Benton Visual Retention Test; RFFT = Ruff Figural Fluency Test. |
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|
Rapeli et al. BMC Psychiatry 2006 6:9 doi:10.1186/1471-244X-6-9 |
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