Table 2.

Test-retest reliability of SCAT3 and CNT measures in trauma controls using Pearson (and intraclass) correlations

	Test–retest interval
	13 Days	29 Days	42 Days
SCAT3 symptoms	.78 (.74)	.60 (.54)	.55 (.42)
ANAM
Composite	.39 (.35)	.75 (.72)	.58 (.51)
SRT	.13 (.10)	.51 (.51)	.20 (.15)
CDS	.38 (.35)	.84 (.79)	.32 (.24)
PRT	.50 (.49)	.26 (.27)	.61 (.60)
MTH	.74 (.41)	.72 (.48)	.85 (.79)
M2S	.67 (.67)	.63 (.62)	.76 (.73)
CSD	.72 (.66)	.80 (.80)	.75 (.68)
SR2	.41 (.40)	.30 (.30)	−.05 (−.05)
GNG	.46 (.41)	.41 (.41)	.30 (.27)
Mean	.51 (.62)	.62 (.57)	.54 (.48)
DANA
SRT	.68 (.61)	.81 (.80)	.56 (.55)
CDS	.80 (.75)	.79 (.79)	.67 (.62)
PRT	.75 (.73)	.78 (.78)	.59 (.59)
SP	.65 (.60)	.69 (.69)	.57 (.53)
GNG	.77 (.76)	.74 (.73)	.53 (.52)
CDR	.55 (.54)	.74 (.75)	.43 (.42)
M2S	.61 (.61)	.64 (.62)	.51 (.49)
MS	.31 (.31)	.39 (.39)	.46 (.43)
SR2	.68 (.66)	.62 (.61)	.61 (.61)
Mean	.66 (.63)	.70 (.70)	.55 (.53)
ImPACT
VERM	.57 (.58)	.60 (.59)	.50 (.47)
VISM	.66 (.66)	.52 (.52)	.52 (.53)
VMS	.79 (.75)	.83 (.84)	.84 (.79)
RT	.58 (.55)	.53 (.53)	.45 (.41)
Mean	.62 (.60)	.62 (.62)	.57 (.55)

Note. 13-day interval = 72-hour to day 15 assessment; 29-day interval = day 15 to day 45 assessment; 42-day interval = 72-hour to day 45 assessment; SCAT3 = Sport Concussion Assessment Tool—3; SRT = Simple reaction time; CDS = code substitution-learning; PRT = procedural reaction time; MTH = mathematical processing; M2S = matching to sample; CSD = code substitution-delayed; SR2 = simple reaction time 2; GNG = go no-go; SP = spatial processing; CDR = code substitution-recall; MS = memory search; SR2 = simple reaction time trial 2; VERM = verbal memory composite; VISM = visual memory composite; VMS = visual motor speed composite; RT = reaction time composite.