Table 1. Baseline characteristics of study participants.
| N | 67 |
|---|---|
| Age, years [median (Q1, Q3)] | 54.4 (48.0, 59.8) |
| Male gender, n (%) | 54 (80) |
| Ethnicity | |
| Caucasian, n (%) | 44 (65.7) |
| African American, n (%) | 1 (1.5) |
| Native Hawaiian/Pacific Islander, n (%) | 0 (0) |
| Asian, n (%) | 6 (8.9) |
| More than one race, n (%) | 16 (23.8) |
| BMI, kg/m2 [median (Q1, Q3)] | 26.8 (23.5, 29.4) |
| Hypertension, n (%) | 18 (27) |
| Blood pressure | |
| Systolic blood pressure, mmHg [median (Q1, Q3)] | 121 (114, 131) |
| Diastolic blood pressure, mmHg [median (Q1, Q3)] | 73 (68, 79) |
| Fasting plasma glucose, mg/dL [median (Q1, Q3)] | 78 (73, 85) |
| GFR, mL/min [median (Q1, Q3)] | 98.8 (87.5, 121.7) |
| Diabetes mellitus, n (%) | 4 (6) |
| LDL, mg/dL [median (Q1, Q3)] | 115 (94, 139) |
| HDL, mg/dL [median (Q1, Q3)] | 55 (46, 67) |
| Smoking history | |
| Current, n (%) | 10 (14.9) |
| Past, n (%) | 39 (58.2) |
| Never smoked, n (%) | 28 (41.7) |
| 10-year CHD risk estimated by FRS, % [median (Q1, Q3)] | 4 (2, 7) |
| Total WBC count [median (Q1, Q3)] | 5230 (4460, 5950) |
| hsCRP [median (Q1, Q3)] | 1 (1, 2) |
| RCCA cIMT [median (Q1, Q3)] | 0.75 (0.69, 0.84) |
| RBIF cIMT [median (Q1, Q3)] | 0.84 (0.76, 0.93) |
BMI, body mass index; GFR, glomerular filtration rate; LDL, low-density lipoprotein; HDL, high-density lipoprotein; CHD, coronary heart disease; FRS, Framingham risk score; WBC, white blood cell; hsCRP, high-sensitivity C-reactive protein; RCCA, right common carotid artery; RBIF, right carotid bifurcation; cIMT, carotid intima-media thickness