Table 4:

Relationship between head impact exposure and change in connectivity and cognitive measures

Change in ImPACT Composite (Post minus Pre) (n = 58)	Head Impact Exposure Metric (RWEcp)a
	Spearman Rho	P Value
Verbal Memory composite	–0.15	.26
Visual Memory composite	0.02	.9
Visual Motor composite	0.01	.95
Reaction Time compositea	0.29b	.03b
Total Symptom Scorea	0.36 b	.006b
Change in connectivity measure (Post minus Pre) (n = 51)
IHC of dACC	–0.08	.57
Within-SN connectivity	0.04	.77

Note:—Post indicates postseason; Pre, preseason.

^aThese variables are non-normally distributed.

^bStatistically significant.