A case matched study examining the reliability of using ImPACT to assess effects of multiple concussions

BMC Psychology

Table 5 One-way ANOVA results for ImPACT composite measures of case matched females stratified by number of previous concussions

Measure	0 Concussions	1 Concussion	2 Concussions	F[2,98]	p	Partial-eta squared
Verbal memory	82.45(1.47)	83.85 (1.63)	83.06 (1.53)	0.205	0.815	0.004
Visual memory	70.36 (2.38)	68.30 (2.09)	72.97 (2.57)	0.988	0.376	0.020
Visual motor speed	35.86 (1.09)	37.03 (1.08)	38.55 (0.96)	1.671	0.193	0.034
Reaction time	0.615 (0.16)	0.613 (0.02)	0.60 (0.01)	0.199	0.820	0.005
Impulse control	5.61 (0.62)	5.00 (0.61)	5.73 (0.70)	0.366	0.695	0.008
Total symptom score	3.85 (1.20)	6.18 (1.46)	6.70 (1.64)	1.103	0.336	0.022
Mean time since last concussion (Std. Err.)	N/A	3.0 (3.9) yrs.	2.0 (1.4) yrs.	1.42^a	0.2399	0.030

^aF[1,46]
Mean (Std. Err). Bolded font indicates significant differences among concussion groups (p < 0.05)

ISSN: 2050-7283