. 2021 Jun 25;15:672665. doi: 10.3389/fnhum.2021.672665

TABLE 5.

Results of multiple hierarchical regression analysis investigating whether the AF tracts in the left hemisphere (according to the modified Catani model) are related to language scores beyond damage to specific frontal, temporal, and parietal cortical language areas.

Model	Fluency		Information content		Repetition		Naming		Comprehension		WAB AQ		BNT		CYCLE Simple		CYCLE Word Order		CYCLE Complex

	Adj.	Sig.	Adj.	Sig.	Adj.	Sig.	Adj.	Sig.	Adj.	Sig.	Adj.	Sig.	Adj.	Sig.	Adj.	Sig.	Adj.	Sig.	Adj.	Sig.
	R²	F Change	R²	F Change	R²	F Change	R²	F Change	R²	F Change	R²	F Change	R²	F Change	R²	F Change	R²	F Change	R²	F Change
Step 1 – Specific cortical areas (temporal, frontal, parietal regions), gender and time post-onset	0.319	0.011	0.220	0.045	0.574	<0.001	0.445	0.001	0.407	0.002	0.509	<0.001	0.357	0.006	0.304	0.013	0.299	0.015	0.301	0.014
Step 2a – Tract normalized volume	-	n.s.	-	n.s.	-	n.s.	-	n.s.	-	n.s.	-	n.s.	0.468	0.02	-	n.s.	-	n.s.	-	n.s.
Significant predictors	-		-		-		-		-		-		AF long		-		-		-
Step 2b – Tract HMOA	0.461	0.011	-	n.s.	-	n.s.	0.663	0.008	0.480	0.044	0.635	0.028	0.582	0.005	-	n.s.	-	n.s.	0.388	0.043
Significant predictors	AF anterior		-		-		AF anterior, AF posterior		AF posterior		AF anterior, AF posterior		AF anterior AF posterior		-		-		AF posterior

n.s., not significant.