Table 1 The sociodemographic and functional characteristics of the subjects

CharacteristicsControl, mean (SD), n = 96Stroke/TIA, mean (SD), n = 170t-Test p value
TIA = transient ischemic attack; NART-IQ = National Adult Reading Test-Intelligence Quotient25; MMSE = Mini-Mental State Examination13; ADL = Activities of Daily Living28; IADL = Instrumental Activities of Daily Living29; IQCODE = Informant Questionnaire for Cognitive Decline in Elderly12; SOFAS = Social and Occupational Functioning Assessment Scale31; AMI = acute myocardial infarction.
* Chi-square p value.
† Given the number of risk factors, only those below 0.01 should be considered significant.
‡ Only 53 controls and 88 patients had homocysteine measurement.
Age, y71.32 (6.6)72.15 (9.0)0.389
% Women50.539.40.001*
Education, y11.80 (3.3)10.11 (2.6)<0.001
NART-IQ114.34 (7.14)104.93 (10.5)<0.001
MMSE28.75 (1.4)27.83 (2.6)<0.001
ADL5.93 (0.3)5.22 (1.4)<0.001
IADL7.07 (1.4)6.74 (2.0)0.065
IQCODE49.18 (1.9)49.31 (6.8)0.883
SOFAS90.17 (5.3)79.78 (13.1)<0.001
Risk factorsFrequency %Frequency %χ2 p value
Hypertension37.5 (39/104)58.7 (71/121)0.0015
Hyperhomocysteinemia49.1 (26/53)83.0 (73/88)<0.0001
Hypercholesterolemia25.3 (25/99)37.8 (45/119)0.0479
Smoking41.3 (43/104)61.2 (74/121)0.0846
Diabetes mellitus5.8 (6/104)17.8 (21/118)0.0062
Previous TIA0 (0/103)24.1 (29/120)<0.0001
Previous stroke0 (0/103)17.6 (21/119)<0.0001
Previous AMI8.8 (9/102)17.8 (21/118)0.0531
Previous angina10.7 (11/103)20.8 (25/120)0.1483
Atrial fibrillation2.0 (2/102)25.9 (30/116)<0.0001