Table 1.
Distributions and means (with SD) of selected demographic and cardiovascular risk factors and of markers of subclinical atherosclerosis in a random sample and in the total Multi-Ethnic Study of Atherosclerosis cohort, 2000–2002
| [0,2–3]Mean (SD) or percentage | ||
|---|---|---|
| Variable | Random sample (n = 1056)a |
MESA cohort (n = 6814) |
| Age in years (mean) | 59 (10) | 62 (10) |
| Male (%) | 42 | 47 |
| Whites (%) | 45 | 39 |
| Chinese | 10 | 12 |
| African–American | 22 | 28 |
| Hispanic | 23 | 22 |
| Pack-years of smoking (mean) |
12 (23) | 11 (22) |
| Total cholesterol (mean, mg/dl) |
195 (35) | 194 (36) |
| HDL cholesterol (mean, mg/dl) |
51 (15) | 51 (15) |
| LDL cholesterol (mean, mg/dl) |
117 (31) | 117 (31) |
| Systolic blood pressure (mean, mmHg) |
124 (21) | 127 (21) |
| Diastolic blood pressure (mean, mmHg) |
71 (10) | 72 (10) |
| Normal (%) | 81 | 77 |
| Impaired fasting glucose |
6 | 8 |
| Diabetes | 13 | 15 |
| BMI (mean, kg/m2) | 28 (6) | 28 (5) |
| IMTb (mean, mm) | 0.94 (0.3) | 1.00 (0.4) |
| Coronary calcification prevalence (%) |
46 | 50 |
| Agatston score, median (interquartile range)c |
62 (228) | 89 (288) |
HDL, high-density lipoprotein; IMT, intimal–medial thickness; LDL, low-density lipoprotein; MESA, Multi-Ethnic Study of Atherosclerosis.
a
The random sample was drawn prior to completion of cohort recruitment.
b
Average of internal and common carotid artery’s intimal–medial thickness.
c
Agatston scores are shown only for those with Agatston score greater than zero.