Table 2.
Means and standard deviations (SD) for intracranial volume (ICV), total brain volume (TBV), ventricular volume (VV), ventricle/brain ratio (VBR), and brain volume/intracranial volume ratio (TBV/ICV).
| Bipolar Subjects | ICV | TBV | VV | VBR | TBV/ICV | |
|---|---|---|---|---|---|---|
| Male (n = 24) | Mean ± SD | 1482.563 ± 138.828 | 1329.843 ± 129.378 | 31.51 ± 13.9 | 0.243 ± 0.0102 | 0.897 ± 0.030 |
| Female (n = 27) | Mean ± SD | 1302.536 ± 112.330 | 1166.931 ± 110.786 | 21.77 ± 6.08 | 0.0192 ± 0.0056 | 0.895 ± 0.019 |
| Total (n = 51) | Mean ± SD | 1387.255 ± 153.827 | 1243.596 ± 144.313 | 26.64 ± 10.05 | 0.0217 ± 0.0079 | 0.896 ± 0.025 |
| Control Subjects | ICV | TBV | VV | VBR | TBV/ICV | |
| Male (n = 42) | Mean ± SD | 1489.755 ± 114.978 | 1354.338 ± 111.556 | 25.18 ± 9.90 | 0.0190 ± 0.0075 | 0.908 ± 0.018 |
| Female (n = 47) | Mean ± SD | 1345.118 ± 116.599 | 1215.653 ± 105.602 | 20.99 ± 6.25 | 0.0176 ± 0.0048 | 0.903 ± 0.021 |
| Total (n = 89) | Mean ± SD | 1413.374 ± 136.157 | 1281.100 ± 128.356 | 23.08 ± 8.07 | 0.0182 ± 0.0061 | 0.906 ± 0.020 |
| Schizoaffective Subjects | ICV | TBV | VV | VBR | TBV/ICV | |
| Male (n = 18) | Mean ± SD | 1435.895 ± 118.635 | 1298.308 ± 101.764 | 26.33 ± 10.96 | 0.0208 ± 0.0084 | 0.904 ± 0.016 |
| Female (n = 8) | Mean ± SD | 1328.658 ± 122.739 | 1196.083 ± 107.790 | 24.71 ± 4.40 | 0.0213 ± 0.0046 | 0.900 ± 0.015 |
| Total (n = 26) | Mean ± SD | 1402.899 ± 127.814 | 1266.854 ± 112.296 | 25.52 ± 7.68 | 0.0210 ± 0.0065 | 0.903 ± 0.015 |
| Schizophrenic Subjects | ICV | TBV | VV | VBR | TBV/ICV | |
| Male (n = 40) | Mean ± SD | 1464.978 ± 126.294 | 1315.718 ± 118.423 | 29.15 ± 0.36 | 0.0227 ±0.073 | 0.898 ± 0.018 |
| Female (n = 18) | Mean ± SD | 1263.270 ± 123.169 | 1136.627 ± 133.719 | 24.24 ± 8.66 | 0.0217 ± 0.0068 | 0.898 ± 0.027 |
| Total (n = 58) | Mean ± SD | 1402.379 ± 158.788 | 1260.138 ± 148.032 | 26.69 ± 9.01 | 0.0222 ± 0.0071 | 0.898 ± 0.021 |
Volumes in ml.