Specific brain imaging alterations underlying autistic traits in children with attention-deficit/hyperactivity disorder

Table 2 Comparison of mALFF values among the three groups (N = 102)

mALFF	Brain regions	Peak coordinates (mm)			F ^a	P ^a	Pairwise comparisons
Clusters		X	Y	Z			ADHD + ATs vs. HC − ATs		ADHD − ATs vs. HC − ATs		ADHD + ATs vs. ADHD − ATs
							LSD t-value	P1	LSD t-value	P2	LSD t-value	P3
Cluster 1	Left MTG	− 48	− 57	3	10.259	9.200E⁻⁵	3.677	3.990E⁻⁴	4.130	6.800E⁻⁵	0.271	0.7853
Cluster 2	Right MTG	60	− 42	0	8.249	4.950E⁻⁴	3.829	2.250E⁻⁴	0.839	0.4105	3.478	7.910E⁻⁴
Cluster 3	Left MOG	− 33	− 78	6	7.787	7.350E⁻⁴	2.679	0.0084	3.884	2.060E⁻⁴	− 0.521	0.6008
Cluster 4	Right PL/precuneus	12	− 69	36	8.939	2.750E⁻⁴	0.796	0.4241	3.972	1.380E⁻⁴	− 2.700	0.0082
Cluster 5	Left PL/precuneus	− 9	− 75	39	7.428	0.0010	2.758	0.0069	3.718	3.280E⁻⁴	− 0.326	0.7434

mALFF mean amplitude of low-frequency fluctuations. MTG middle temporal gyrus. MOG middle occipital gyrus. PL parietal lobe
^aWith analysis of covariance (ANCOVA) after controlling for Full-Scale Intelligence Quotient (FSIQ), age, and gender; P: Overall significance of ANCOVA in the three groups; P1–3: Significance of post hoc test with least-significant-difference (LSD) t-test

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