Table 1

Mean (SD) demographic variables and neuropsychological test results for the SIVD and control groups

VariableSIVDControlt Valuep ValueEta2
Age73.73 (6.16)72.82 (5.57)0.46NS0.001
Education15.33 (2.61)15.67 (2.62)0.37NS0.024
Benton form discrimination18.75 (2.83)17.78 (3.49)0.85NS0.004
Boston naming54.00 (4.31)56.30 (3.47)1.77NS0.096
F-A-S32.90 (14.77)41.00 (14.00)1.53NS0.057
MAS trial 610.50 (1.38)11.07 (1.14)1.36NS0.054
MAS 30 minute delay10.42 (1.38)10.89 (1.09)1.15NS0.044
MAS recognition hits11.83 (0.39)11.56 (0.85)1.08NS0.010
MAS recognition false positive0.17 (0.39)0.07 (0.27)0.87NS0.001
Biber trial 512.17 (3.07)15.00 (3.31)2.52<0.050.126
Biber 30 minute delay11.17 (3.81)14.63 (3.48)2.79<0.050.102
Biber recognition hits5.86 (0.39)5.88 (0.33)0.42NS0.001
Biber recognition false positive0.08 (0.29)0.12 (0.33)0.29NS0.001
Stroop colour naming80.91 (19.96)88.81 (15.65)1.34NS0.042
Stroop interference37.42 (13.01)47.00 (9.64)2.52<0.0170.160
Card sort: number of sorts4.58 (1.08)5.31 (0.68)2.65<0.0170.150
Initiation-perseveration34.25 (3.25)36.37 (1.76)2.57<0.0170.155