Table 2.

Differences in brain volume between sexes for all data sets: the Indian sample (Mysore Parthenon Cohort, MPC), Scottish (Aberdeen Children of the 1950s, ACONF) and UK Biobank.

Cohorts (age years)	Brain Volume (cm3): males, mean ± sd	Brain Volume (cm3) females, mean ± sd	t	p
MPC (20–22)	1126.58 ± 88.86	998.43 ± 84.62	t(164) = − 9.50	< .001
ACONF (60–66)	1122.28 ± 92.05	1002.09 ± 84.35	t(236) = − 10.51	< .001
UK Biobank (60–66)	1157.58 ± 92.00	1073.02 ± 80.24	t(1967) =  − 28.88	< .001
UK Biobank (45–79)	1187.42 ± 97.616	1072.75 ± 82.96	t(6657) =  − 51.80	< .001