Table 3.

ImPACT Composite Scores by Time (Mean ± SD)

Time Point	Memory Composite Verbal	Memory Composite Visual	Visual Motor Speed	Composite Reaction Time	Total Symptom Score
Group 1 (n = 46)
1	0.90 ± 0.09	0.76 ± 0.14	39.32 ± 8.16	0.56 ± 0.07	6.59 ± 7.67
2	0.92 ± 0.07	0.78 ± 0.11	40.80 ± 6.44	0.54 ± 0.07a	5.59 ± 8.27
3	0.92 ± 0.06	0.78 ± 0.12	42.36 ± 6.67a,b	0.53 ± 0.07b	3.33 ± 5.77
Group 2 (n = 45)
1	0.90 ± 0.09	0.79 ± 0.125	42.00 ± 6.18	0.56 ± 0.09	4.13 ± 7.02
2	0.92 ± 0.08	0.82 ± 0.10	41.57 ± 5.87	0.55 ± 0.07	3.49 ± 7.42
3	0.92 ± 0.08	0.81 ± 0.12	43.44 ± 6.75a,b	0.54 ± 0.07	3.44 ± 6.51

^aDifference from baseline (P ≤ .05).

^bDifference from week 1 (P ≤ .05).