Skip to main content
. Author manuscript; available in PMC: 2015 Aug 30.
Published in final edited form as: Psychiatry Res. 2014 May 9;223(2):61–66. doi: 10.1016/j.pscychresns.2014.05.001

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.