Table 3.
Mean±SD volume (cc) for each ROI by group and t-test results
| Control (N=20) | AUD (N=24) | Group Difference | ||||||
|---|---|---|---|---|---|---|---|---|
| ROI | Mean | SD | Mean | SD | t | p | ||
| Lateral frontal | 120.47 | 12.08 | 114.66 | 10.66 | 1.690 | 0.0984 | ||
| Medial frontal | 27.51 | 2.86 | 25.50 | 2.20 | 2.628 | 0.0119 | ||
| Temporal | 95.09 | 9.56 | 88.65 | 8.53 | 2.359 | 0.0231 | ||
| Parietal | 54.86 | 7.01 | 49.51 | 4.77 | 3.005 | 0.0045 | ||
| Occipital | 51.27 | 6.03 | 48.36 | 5.91 | 1.616 | 0.1135 | ||
| Anterior-middle cingulate | 18.97 | 2.35 | 17.93 | 1.93 | 1.622 | 0.1123 | ||
| Posterior cingulate | 1.49 | 0.35 | 1.43 | 0.22 | 0.761 | 0.4509 | ||
| Hippocampus/amygdala | 24.61 | 2.22 | 22.73 | 1.87 | 3.051 | 0.0039 | ||
| Insula | 12.62 | 1.32 | 12.32 | 1.33 | 0.748 | 0.4585 | ||
| Caudate/putamen | 18.55 | 1.72 | 18.57 | 2.00 | −0.039 | 0.9689 | ||
| Globus pallidus | 3.00 | 0.39 | 2.88 | 0.33 | 1.067 | 0.2920 | ||
| Thalamus | 12.05 | 1.07 | 11.39 | 0.90 | 2.241 | 0.0304 | ||
bold = control > AUD at p ≤ 0.05 level
Bonferroni correction for directional hypothesis (AUD < controls), p≤0.008.