Table 2. Test–retest reliability among non-injured controls on ANAM, Axon, and ImPACT: Pearson (and intraclass) correlations.
Test-retest interval | |||||
---|---|---|---|---|---|
|
|||||
7 days | 14 days | 30 days | 44 days | 198 days | |
ANAM | |||||
Composite | .79 (.78) | .72 (.71) | .71 (.70) | .83 (.82) | .71 (.70) |
SRT | .55 (.53) | .52 (.50) | .54 (.55) | .57 (.56) | .35 (.36) |
CDS | .73 (.72) | .68 (.79) | .65 (.59) | .72 (.69) | .73 (.72) |
PRO | .62 (.61) | .43 (.43) | .43 (.41) | .31 (.30) | .57 (.53) |
MTH | .74 (.65) | .68 (.58) | .72 (.60) | .78 (.77) | .68 (.66) |
M2S | .73 (.72) | .65 (.64) | .55 (.53) | .77 (.75) | .61 (.61) |
CSD | .69 (.60) | .64 (.61) | .55 (.55) | .71 (.67) | .63 (.56) |
SR2 | .66 (.65) | .63 (.62) | .54 (.53) | .61 (.59) | .48 (.48) |
GNG | .35 (.34) | .44 (.44) | .35 (.34) | .46 (.45) | .35 (.34) |
Mean | .65 (.62) | .60 (.59) | .56 (.53) | .64 (.62) | .57 (.55) |
Axon | |||||
PS Speed | .44 (.42) | .59 (.54) | .58 (.32) | .57 (.57) | .49 (.40) |
AT Speed | .66 (.65) | .66 (.66) | .64 (.73) | .66 (.66) | .61 (.61) |
LN Acc. | .49 (.46) | .40 (.39) | .40 (.34) | .74 (.71) | .51 (.41) |
WM Speed | .81 (.80) | .71 (.70) | .69 (.72) | .62 (.63) | .76 (.76) |
Mean | .60 (.58) | .59 (.57) | .58 (.53) | .65 (.64) | .59 (.55) |
ImPACT | |||||
VERM | .53 (.53) | .50 (.50) | .54 (.55) | .60 (.59) | .51 (.48) |
VISM | .50 (.48) | .60 (.58) | .54 (.52) | .59 (.59) | .49 (.49) |
VMS | .75 (.75) | .75 (.74) | .66 (.65) | .78 (.78) | .75 (.73) |
RT | .67 (.67) | .65 (.64) | .60 (.60) | .67 (.67) | .60 (.60) |
Mean | .61 (.61) | .63 (.62) | .59 (.58) | .66 (.66) | .59 (.58) |
Note. The 7-day interval = 24-hr to day 8 assessment; 14-day interval = 24-hr to day 15 assessment; 30-day interval = day 15 to day 45 assessment; 44 day interval = 24-hr to day 45 assessment; 198 day interval = baseline to 24-hr (first repeat) assessment. SRT = Simple reaction time; CDS = code substitution-learning; PRO = procedural reaction time; MTH = mathematical processing; M2S = matching to sample; CDD = code substitution-delayed; SR2 = simple reaction time 2; GNG = go no-go; PS = processing speed; AT = attention; LN acc. = learning accuracy; WM = working memory; VERM = verbal memory composite; VISM = visual memory composite; VMS = visual motor speed composite; RT = reaction time composite.