Table 4. Linear regression analyses to differentially predict neurocognition as a function of CC subregional volumes in 22q11DS and control groups.

	Age			Group			Splenium volume			Group × splenium
Criterion	β	Δr2	f2	β	Δr2	f2	β	Δr2	f2	β	Δr2	f2
Language	0.11	0.01	0.01	0.60	0.37**	0.59	0.17	0.03*	0.02	−0.11	0.02	0.02
Executive function (working memory)	0.10	0.01	0.01	0.55	0.31***	0.30	0.15	0.02	0.03	−0.50	0.24*	0.04
Set-shifting time	−0.37	0.14**	0.16	−0.49	0.25***	0.40	−0.23	0.05*	0.08	0.56	0.03	0.06
Mathematics	−0.15	0.02	0.02	0.57	0.32***	0.50	0.61	0.02	0.03	−0.54	0*	0.04
	Age			Group			Genu volume			Group × Genu
Criterion	β	Δr2	f2	β	Δr2	f2	β	Δr2	f2	β	Δr2	f2
Set-shifting	−0.37	0.14**	0.16	−0.41	0.25***	0.40	−0.13	0.01	0.02	0.78	0.05*	0.09
Criterion	Age			Group			Total CC vol			Group × total CC
Language	0.11	0.01	0.01	0.60	0.37***	0.40	0.18	0.03*	0.05	−0.26	0.01	0.01
Executive function	−0.10	0.01	0.01	0.55	0.31***	0.45	0.17	0.03*	0.04	−0.37	0.02	0.02
Set-shifting	−0.37	−0.14**	0.16	−0.41	0.25***	0.40	−0.21	0.04	0.07	−0.35	0.04*	0.07

Medium (0.15) and large (0.35) effect sizes (f²) are in bold.

^*P<0.05.

^**P<0.01.

^***P<0.001.