Table 2.

Bonferroni-corrected significant mean differences between quintiles of leftward asymmetry for frontal area and thickness.

Surface area
Quintile	Cohen’s d	Mean difference	SE	pBonferroni	95% CI
5	0.069	23.123	3.504	<0.001	16.254–29.992
4	0.075	22.795	3.153	<0.001	16.614–28.977
3	0.073	21.834	3.106	<0.001	15.746–27.922
2	0.088	26.584	3.138	<0.001	20.433–32.734
1	0.110	34.515	3.250	<0.001	28.145–40.885
Thickness
Quintile	Mean difference	Mean difference	SE	pBonferroni	95% CI
5	0.109	0.021	0.002	<0.001	0.016–0.025
4	0.119	0.023	0.002	<0.001	0.019–0.027
3	0.088	0.017	0.002	<0.001	0.013–0.021
2	0.062	0.012	0.002	<0.001	0.008–0.016
1	0.047	0.009	0.002	<0.001	0.005–0.013