Table 4.

Intraclass Correlation Coefficient Values for Each ImPACT Composite Score

Time Points	Intraclass Correlation Coefficient
	Memory Composite Verbal	Memory Composite Visual	Visual Motor Speed	Composite Reaction Time
Group 1 (n = 46)
1 to 2	0.56	0.26	0.78	0.84
1 to 3	0.59	0.53	0.71	0.78
2 to 3	0.41	0.85	0.84	0.88
Group 2 (n = 45)
1 to 2	0.45	0.52	0.76	0.57
1 to 3	0.37	0.52	0.74	0.49
2 to 3	0.40	0.55	0.66	0.71