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. Author manuscript; available in PMC: 2015 Nov 30.
Published in final edited form as: Psychiatry Res. 2014 Aug 19;224(2):112–118. doi: 10.1016/j.pscychresns.2014.08.006

Table 2.

Mean measures, mm3 ± SD

Volumes, mm3 Test statistic p value
Brain region ADHD (n=30) HC (n=31)
Left hippocampus 4068.7±362.4 4363.9±396.7 t(1,58) = 2.3 0.02
Right hippocampus 4053.4±611.8 4383.3±360.3 t(1,58) = 1.9 0.06
Total ICV 1338470.7±166528.3 1407286.7±154728.6 t(59) = 1.7 0.1

ADHD, attention-deficit/hyperactivity disorder; HC, healthy control participants; ICV, intracranial volume.