From:  The association of brain-derived neurotrophic factor Val66Met polymorphism with stroke outcomes: a cross-sectional pilot study

 Socio-demographics, stroke characteristics, and clinical risk factors of non-Met and Met carriers.

OutcomesNon-Met carriers (n = 77)Met carriers (n = 12)P values
Socio-demographics
Age, mean (SD)57.1 (9.7)55.8 (15.1)0.69
Women, n (%)31 (40)6 (50)0.52
Race, n (%)
    African American32 (42)3 (25)0.08
    Caucasian40 (52)8 (67)
    Other/not reported5 (6)1 (8)
Ethnicity, n (%)
    Hispanic or Latino38 (49)6 (50)0.30
    Not Hispanic or Latino38 (49)5 (42)
    Other/not reported1 (1)1 (8)
Number of persons living within household, mean (SD)2 (2)2 (2)0.26
Years of education, mean (SD)13.2 (3.5)12.7 (3.8)0.62
Stroke characteristics
NIHSS, mean (SD)2.9 (2.2)1.6 (1.3)0.08
mRS, mean (SD)2.1 (0.8)2.0 (0.8)0.58
SIS, mean (SD)62.5 (12.5)64.1 (11)0.68
Time since stroke (< 3 months), n (%)17 (22)6 (50)0.15
Clinical risk factors (yes)
Past tobacco use, n (%)27 (35)3 (25)0.41
Current tobacco use, n (%)10 (13)1 (8)0.63
Hypertension, n (%)57 (74)9 (75)0.94
Diabetes, n (%)22 (29)4 (33)0.74
High cholesterol, n (%)61 (79)9 (75)0.74
SBP (mmHg), mean (SD)142.7 (23.8)134.5 (17.3)0.28
DBP (mmHg), mean (SD)83.9 (12.7)82.3 (14.7)0.70
BMI (kg/m2), mean (SD)30.5 (4.5)28.5 (5.1)0.17

NIHSS: National Institute of Health Stroke Scale; mRS: modified Rankin Scale; SIS: Stroke Impact Scale; SBP: systolic blood pressure; DBP: diastolic blood pressure; BMI: body mass index.