Sex differences in fetal intracranial volumes assessed by in utero MR imaging

Table 2 Regression slopes in relation to gestational age and the interaction with sex for 145 fetuses imaged ≥ 24gw

	Female		Male		Difference in slopes	P value for difference^a
	Slope	SE	Slope	SE
VV	0.37	0.08	0.39	0.08	0.02	0.84
EAV	7.70	0.76	8.12	0.82	0.42	0.71
BPV	15.7	0.58	18.9	0.75	3.2	0.001*
TICV	23.8	1.10	27.4	112	3.6	0.024*

VV ventricular volume, EAV extraaxial volume, BPV brain parnchymal volume, TICV total intracranial volume
^*Slopes statistically significant (P < 0.001)
^aUsing standard errors robust to variance heterogeneity

ISSN: 2042-6410