Table 1:

Summary of subject baseline characteristicsa

VariableBMC (n = 315)Matrix2 (n = 311)
Male104 (33.0%)82 (26.4%)
Age (yr)54.4 ± 13.255.7 ± 11.6
Ethnicity and race
    Caucasian/white259 (82.2%)249 (80.1%)
    Black or African American13 (4.1%)12 (3.9%)
    Asian11 (3.5%)13 (4.2%)
    Hispanic or Latino13 (4.1%)16 (5.1%)
    Other19 (6.0%)21 (6.8%)
Current use of illicit drugs and/or alcohol abuse25 (8.4%)25 (8.6%)
Hypertension143 (45.5%)153 (49.5%)
Coronary disease29 (9.4%)44 (14.5%)
Hyperlipidemia/hypercholesterolemia70 (22.5%)85 (28.0%)
Intracranial atherosclerosis7 (2.3%)4 (1.3%)
Current smoking124 (42.6%)117 (41.6%)
Diabetes19 (6.1%)33 (10.7%)
Prior stroke or TIA35 (11.2%)31 (10.2%)
  • a Values are presented as mean ± SD for continuous variables and No. (%) for categoric variables. The denominator used for rates (%) can be smaller than the number of subjects in each group due to missing values.