Table 1.
Demographics and global brain measurements.
| BPD (n = 25) | Control (n = 25) | Test values | Degrees of freedom |
||
|---|---|---|---|---|---|
| Mean ± SD | Mean ± SD | P valuea | |||
| Age in years | 32.7 ± 9.1 | 32.2 ± 7.1 | tb=2.98 | 1 | 0.82 |
| Females (n, %) | 25 (100%) | 25 (100%) | χc=2.70 | 1 | – |
| Right-handed (n, %) | 21 (84%) | 20 (80) | χc=1.95 | 1 | 0.79 |
| Years of education | 9.2 ± 6.3 | 12.8 ± 5.1 | tb=3.75 | 1 | 0.12 |
| Intracranial volume (mm3) | 1456 ± 107 | 1464 ± 115 | tb=2.78 | 1 | 0.74 |
| Total brain volume (mm3) | 1301 ± 105 | 1305 ± 112 | tb=3.27 | 1 | 0.51 |
| Cortical gray matter (mm3) | 463.6 ± 44.1 | 470.2 ± 39.9 | tb=2.95 | 1 | 0.68 |
| White matter volume (mm3) | 229.9 ± 27.3 | 252.4 ± 18.3 | tb=2.80 | 1 | 0.71 |
a. Independent t-testb or Chi-square testc (2-tailed, significance set at p ≤ 0.05).
Abbreviation: BPD: borderline personality disorder; SD: standard deviation; brain measurements are provided in mm3.