Table 1.
Study sample characteristics of the GCKD study patients
| Characteristic | Statistic |
|---|---|
| Sample size, n | 4885 |
| Age (yr), mean (SD) | 60.1 (12.0) |
| Female sex, n (%) | 1940 (40) |
| Body mass index (kg/m2), mean (SD)a | 29.7 (5.9) |
| Smoking, n (%)a | |
| Nonsmoker | 1985 (41) |
| Exsmoker | 2118 (43) |
| Smoker | 770 (16) |
| Systolic BP (mm Hg), mean (SD) | 139.4 (20.3) |
| eGFR (ml/min per 1.73 m2), mean (SD) | 49.4 (18.2) |
| UACR (mg/g), median (IQR) | 50.0 (9.4–380.5) |
| Serum albumin (g/L), mean (SD)a | 38.4 (4.4) |
| Triglycerides (mg/dl), median (IQR) | 167.9 (117.3–238.6) |
| LDL cholesterol (mg/dl), mean (SD) | 118.3 (43.3) |
| CRP (mg/L), median (IQR) | 2.2 (1.0–5.0) |
| Hemoglobin A1c (%), mean (SD) | 6.3 (1.0) |
| Hypertension, n (%) | 4702 (96) |
| Diabetes mellitus, n (%)a | 1724 (35) |
| CHD, n (%) | 970 (20) |
| Stroke, n (%) | 465 (10) |
| Gout, n (%) | 1181 (24) |
For a definition of hypertension, diabetes, CHD, stroke, and gout, along with the measurement of albumin and CRP, please compare previous publications.16,51 IQR, interquartile range; CRP, C-reactive protein; CHD, coronary heart disease.
a
Variables with missing values (<1%): body mass index, 46; smoking, 12; serum albumin, 1; diabetes mellitus, 1.