Table 1.
Baseline characteristics of 32057 eligible participants, by CKD status
| CKD status (CKD EPI-estimated GFR (mL/min/1.73 m2)) | Dialysis (n = 3023) |
||||
|---|---|---|---|---|---|
| Greater than 75 (n = 9594) | 60 to 75 (n = 6681) |
45 to 60 (n = 4931) |
Less than 45 (n = 7828) |
||
| Age at baseline (years) | 63 (8) | 67 (8) | 70 (9) | 65 (12) | 60 (12) |
| Male | 5983 (62 %) | 3739 (56 %) | 2266 (46 %) | 4521 (58 %) | 1918 (63 %) |
| Ethnicity | |||||
| White | 5570 (58 %) | 4985 (75 %) | 3801 (77 %) | 5744 (73 %) | 2163 (72 %) |
| Asian | 3847 (40 %) | 1555 (23 %) | 1035 (21 %) | 1701 (22 %) | 564 (19 %) |
| Other/not specified | 177 (2 %) | 141 (2 %) | 95 (2 %) | 381 (5 %) | 298 (10 %) |
| Higher education | 110 (1 %) | 605 (9 %) | 886 (18 %) | 1835 (23 %) | 660 (22 %) |
| Ever smoked | 4683 (49 %) | 3179 (48 %) | 2221 (45 %) | 3841 (49 %) | 1505 (50 %) |
| Body mass index (kg/m2) | 27.2 (4.9) | 27.3 (4.8) | 27.2 (4.9) | 27.5 (5.5) | 26.5 (5.9) |
| Systolic blood pressure (mm Hg) | 144 (25) | 145 (21) | 146 (21) | 142 (22) | 138 (24) |
| Diastolic blood pressure (mm Hg) | 83 (20) | 82 (11) | 82 (11) | 80 (12) | 78 (13) |
| MDRD-estimated GFR (mL/min/1.73 m2) | 94.4 (22.0) | 68.7 (4.5) | 55.5 (4.5) | 25.7 (12.2) | - |
| CKD EPI-estimated GFR (mL/min/1.73 m2) | 89.1 (9.6) | 67.4 (4.3) | 53.4 (4.2) | 24.3 (11.7) | - |
| Total cholesterol (mg/dL) | 203 (44) | 210 (47) | 215 (48) | 196 (48) | 179 (45) |
| Triglycerides (mg/dL) | 170 (121) | 169 (115) | 176 (113) | 202 (136) | 205 (164) |
| Follow-up time (years) | 5.0 (4.4–5.1) | 5.0 (4.4–5.5) | 5.0 (4.4–10.4) | 4.5 (3.9–54) | 4.4 (3.2–5.4) |
Mean (SD), median (IQR) or n (%) shown