Table 1.
Descriptive statistics for study population (n = 140)
| Variable | Mean (± SD) or Median (Interquartile Range) | n (%) |
|---|---|---|
| Age, years | 43.4 (± 8.0) | |
| Sex, male | 46 (34.6) | |
| Race: | ||
| White | 84 (60.0) | |
| African American | 37 (26.4) | |
| Other | 19 (13.6) | |
| BMI, kg/m2 | 27.2 (± 5.4) | |
| CRP, mg/L | 1.2 (0.5, 2.9) | |
| TNF-α, pg/ml | 0.9 (0.7, 1.4) | |
| Ambulatory Systolic BP, mmHg: | ||
| Daytime | 117.4 (± 10.4) | |
| Nighttime | 105.4 (± 11.3) | |
| 24-hour | 113.5 (± 10.1) | |
| Daytime Within-Subject Standard Deviation | 10.2 (± 2.4) | |
| Nighttime Within-Subject Standard Deviation | 9.3 (± 3.1) | |
| 24-Hour Within-Subject Standard Deviation | 11.8 (± 2.6) | |
| Ambulatory Diastolic BP, mmHg: | ||
| Daytime | 75.1 (± 7.0) | |
| Nighttime | 63.9 (± 7.2) | |
| 24-hour | 71.5 (± 6.4) | |
| Daytime Within-Subject Standard Deviation | 8.6 (± 2.1) | |
| Nighttime Within-Subject Standard Deviation | 7.7 (± 2.6) | |
| 24-Hour Within-Subject Standard Deviation | 10.2 (± 2.1) | |
BMI = Body Mass Index; BP = blood pressure; CRP = C-reactive protein; TNF-α = tumor necrosis factor-alpha