Table 1.
Baseline demographic and laboratory characteristics of participants in the CRIC Study
| Characteristic (n=942) | Mean±SD, N (%), or Median (IQR) |
|---|---|
| Mean age, yr | 56.0 (±11.8) |
| Women | 407 (43.2%) |
| Race | |
| Non-Hispanic white | 428 (45.4%) |
| Non-Hispanic black | 334 (35.5%) |
| Hispanic | 114 (12.1%) |
| Other | 66 (7.0%) |
| Body mass index, kg/m2 | 31.3 (±6.6) |
| Diabetes | 411 (43.6%) |
| Systolic BP, mmHg | 126.2 (±20.3) |
| Diastolic BP, mmHg | 72.3(±12.4) |
| History of cardiovascular disease | 233 (24.7%) |
| CHF | 47 (5.0%) |
| Peripheral vascular disease | 42 (4.5%) |
| Stroke | 72 (7.6%) |
| Myocardial infarction | 146 (15.5%) |
| Median 24-h urine albumin, g/d | 0.04 (IQR, 0.0–0.4) |
| Hemoglobin A1C, % | 6.4 (±1.5) |
| LDL, mg/dl | 102.9 (±35.2) |
| HDL, mg/dl | 47.1 (±15.9) |
| Baseline renal function, ml/min per 1.73 m2 | |
| iGFR | 51.1 (±19.5) |
| eGFRcr | 46.4 (±13.2) |
| eGFRcys | 59.2 (±22.4) |
| CrCl | 66.2 (±31.7) |
| Mean (±SD) change in renal function between year 2 and baseline, ml/min per 1.73 m2 per 2 yrs | |
| iGFR | −3.5 (±13.3) |
| eGFRcr | −3.5 (±8.9) |
| eGFRcys | −4.4 (±12.1) |
| CrCla | −4.3 (±27.7) |
| Median (IQR) change in renal function between year 2 and baseline, ml/min per 1.73 m2 per 2 yrs | |
| iGFR | −3.4 (−10.4–3.1) |
| eGFRcr | −3.0 (−8.7–2.0) |
| eGFRcys | −4.3 (−11.0–1.9) |
| CrCla | −4.3 (−16.9–8.6) |
IQR, interquartile range.
a
n=942 for all GFR measures except for CrCl (n=839).