Baseline 12-months Change
M SD M SD t % improved
WAIS-R (standard score)            
Digit span 10.76 3.07 10.75 3.44 0.048 54.9%
RAVLT (raw-score)            
Total immediate recall (A1:A5) 47.99 10.50 51.64 9.79 -0.809 74.2%
Delayed recall (A7) 9.30 3.37 10.30 3.33 -1.128 77.2%
COWAT (standard score)            
Letter fluency 11.01 3.77 10.59 3.62 1.493 54.9%
Category fluency 11.27 3.46 10.46 3.57 2.282 43.7%
Category switching 11.27 3.46 11.48 4.19 -0.447 64.8%
Switching accuracy 10.54 3.40 10.80 4.23 -0.537 62.0%
CWI (standard score)            
Inhibition 9.85 2.94 9.96 2.98 -0.470 71.8%
Inhibition / switching 10.14 2.83 10.48 2.29 -1.380 60.5%
***p<0.001; **p<0.01; **p<0.05 (Bonferroni adjusted)
Table 3: Baseline and 12-month means, standard deviations and change in agescaled neuropsychological variables (N=71).
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