. Author manuscript; available in PMC: 2019 Apr 6.

Published in final edited form as: Ann Behav Med. 2018 Apr 19;52(5):393–405. doi: 10.1093/abm/kax027

Table 3.

Subcortical volume comparisons by gender, with and without total brain volume correction

			No TBV correction		TBV correction
	Girls mean volume (SD)	Boys mean volume (SD)	t_df	CI (95%)	B	CI (95%)
TBV^a	1,032,424 (79,084.61)	1,187,703 (80,986.23)	t₁₆₇= −11.71^***	−181460.3, −129097.4	—	—
R Amyg	1,346.45 (173.24)	1,566.35 (161.66)	t₁₆₇= −8.06^***	−273.77, −166.02	65.14^*	1.34, 128.94
L Amyg	1,436.24 (163.59)	1,634.26 (163.45)	t₁₆₇= −7.34^***	−251.27, −144.77	57.32	−7.21, 121.85
R Hipp	4,000.64 (377.81)	4,446.70 (413.43)	t₁₆₇= −6.72^***	−577.14, −314.98	45.86	−106.25, 197.97
L Hipp	4,004.59 (303.30)	4,434.92 (404.88)	t_134.9 = −7.69^***	−540.96, −319.71	75.54	−68.91, 219.99
R NAcc	567.79 (86.65)	606.04 (90.04)	t₁₆₇ = −2.61^**	−67.24, −9.28	−42.32^*	−76.96, −7.67
L NAcc	481.13 (107.24)	484.04 (89.45)	t₁₆₇ = −0.19	−34.00, 28.17	−63.73^^	−102.96, −24.49

TBV (total brain volume) represented by Freesurfer’s BrainSegVolNotVent. Amyg amygdala; CI confidence interval; Hipp hippocampus; NAcc nucleus accumbens; SD standard deviation.

p < .05

^**

p < .01

^***

p < .001.