Table 1. Baseline Characteristics of Participants in SPRINT.
| Characteristic | Value (N = 9361)a |
|---|---|
| Female | 3332 (35.6) |
| Age, mean (SD), y | 67.9 (9.4) |
| Black race | 2947 (31.5) |
| Blood pressure, mean (SD), mm Hg | |
| Systolic | 139.7 (15.6) |
| Diastolic | 78.1 (11.9) |
| Mean | 102.7 (11.5) |
| Pulse | 61.5 (14.4) |
| Estimated pulse wave velocity, mean (SD), m/s | 11.3 (1.7) |
| Framingham Risk Score, mean (SD), %b | 24.8 (12.5) |
| Cardiovascular disease, clinical or subclinical | 1877 (20.1) |
| Chronic kidney disease | 2646 (28.3) |
| Estimated GFR, mean (SD), mL/min/1.73 m2 | 71.7 (20.6) |
| Ratio of urinary albumin, mg, to creatinine, g, median (IQR) | 9.5 (5.6-21.4) |
| Fasting total cholesterol, mean (SD), mg/dL | 190.1 (41.2) |
| Fasting HDL cholesterol, mean (SD), mg/dL | 52.9 (14.5) |
| Fasting total triglycerides, median (IQR), mg/dL | 107.0 (77.0-150.0) |
| Fasting plasma glucose, mean (SD), mg/dL | 98.8 (13.5) |
| Current smokers | 1240 (13.2) |
| Body mass index, mean (SD)c | 29.9 (5.8) |
| Antihypertensive agents, mean (SD), No. per patient | 1.8 (1.0) |
| Not using antihypertensive agents | 882 (9.4) |
Abbreviations: GFR, glomerular filtration rate; HDL, high-density lipoprotein; IQR, interquartile range; SPRINT, Systolic Blood Pressure Intervention Trial.
SI conversion factors: To convert total cholesterol and HDL cholesterol to millimoles per liter, multiply by 0.0259; triglycerides to millimoles per liter, multiply by 0.0113; and glucose to millimoles per liter, multiply by 0.0555.
a
Data are presented as number (percentage) of participants unless otherwise indicated.
b
Calculated for 9312 participants with available data.
c
Calculated as weight in kilograms divided by height in meters squared.