Table 3.
Group-wise differences of subcortical volumes.
| Region |
Alcohol-dependent patients Mean (SD) |
Healthy controls Mean (SD) |
p-value (uncorrected) |
p-value (Bonferroni corrected) |
Effect size | Pairwise comparison |
|---|---|---|---|---|---|---|
| n = 21 | n = 21 | |||||
| L thalamus (cm3) | 7.23 (0.99) | 8.18 (0.76) | <0.001 | <0.01 | 0.50 | HC > AD |
| R thalamus (cm3) | 7.00 (0.82) | 7.78 (0.86) | 0.001 | 0.01 | 0.44 | HC > AD |
| L caudate (cm3) | 3.34 (0.45) | 3.62 (0.36) | 0.055 | 0.77 | 0.25 | AD = HC (NS) |
| R caudate (cm3) | 3.51 (0.46) | 3.66 (0.47) | 0.172 | 2.40 | 0.19 | AD = HC (NS) |
| L putamen (cm3) | 4.82 (0.68) | 5.55 (0.64) | 0.002 | 0.02 | 0.41 | HC > AD |
| R putamen (cm3) | 5.04 (0.68) | 5.62 (0.64) | <0.001 | <0.01 | 0.50 | HC > AD |
| L Globus Pallidus (cm3) | 1.78 (0.38) | 1.96 (0.44) | 0.017 | 0.23 | 0.31 | AD = HC (NS) |
| R globus pallidus (cm3) | 1.79 (0.38) | 2.06 (0.39) | <0.001 | <0.01 | 0.47 | HC > AD |
| L hippocampus (cm3) | 3.60 (0.73) | 4.07 (0.58) | 0.003 | 0.05 | 0.38 | HC > AD |
| R hippocampus (cm3) | 3.85 (0.74) | 4.36 (0.66) | 0.002 | 0.03 | 0.39 | HC > AD |
| L amygdala (cm3) | 1.25 (0.31) | 1.30 (0.25) | 0.096 | 1.34 | 0.22 | AD = HC (NS) |
| R amygdala (cm3) | 1.31 (0.35) | 1.46 (0.31) | 0.247 | 3.45 | 0.16 | AD = HC (NS) |
| L nucleus accumbens (cm3) | 0.56 (0.15) | 0.66 (0.12) | <0.001 | <0.01 | 0.52 | HC > AD |
| R nucleus accumbens (cm3) | 0.41 (0.14) | 0.49 (0.11) | <0.001 | <0.01 | 0.63 | HC > AD |
L, Left; R, Right. Significant volumetric reductions are in bold.