Baseline patient demographics at the time of estimated glomerular filtration rate and urine albumin:creatinine ratio measurement
| eGFR, n=9,297 | uACR, n=6,090 | |
|---|---|---|
| Women, n (%) | 3,919 (42.2) | 2,386 (39.2) |
| Ethnicity, n (%) | ||
| Asian/Asian British | 1,134 (12.2) | 480 (7.9) |
| Black/Black British | 222 (2.4) | 137 (2.2) |
| Mixed | 2,678 (29.8) | 1,869 (30.7) |
| White | 3,728 (40.1) | 2,588 (42.5) |
| Other | 316 (3.4) | 224 (3.7) |
| Missing | 1,129 (12.1) | 792 (13.0) |
| Age | ||
| Overall, years, mean (SD) | 65.5 (13.1) | 66.1 (12.4) |
| Under 40 years, n (%) | 298 (3.2) | 148 (2.4) |
| 40–59 years, n (%) | 2,527 (27.2) | 1,554 (25.5) |
| 60–69 years, n (%) | 2,459 (26.4) | 1,681 (27.6) |
| 70–79 years, n (%) | 2,431 (26.1) | 1,740 (28.6) |
| 80 years and over, n (%) | 1,582 (17.0) | 967 (15.9) |
| Duration of diabetes | ||
| Overall, years, median (IQR) | 6.6 (2.9–11.4) | 6.7 (3.1–11.5) |
| Less than 1 year, n (%) | 1,015 (10.9) | 615 (10.1) |
| 1–2 years, n (%) | 1,344 (14.5) | 870 (14.3) |
| 3–4 years, n (%) | 1,336 (14.4) | 889 (14.6) |
| 5–9 years, n (%) | 2,865 (30.8) | 1,884 (30.9) |
| 10 years and over, n (%) | 2,737 (29.4) | 1,832 (30.1) |
| Body mass index | ||
| Overall, kg/m2, median (IQR) | 30.0 (26.5–34.5) | 30.1 (26.7–34.5) |
| Underweight (<18.5 kg/m2), n (%) | 51 (0.5) | 19 (0.3) |
| Healthy (18.5–25 kg/m2), n (%) | 1,373 (14.8) | 860 (14.1) |
| Overweight (25–30 kg/m2), n (%) | 2,965 (31.9) | 2,009 (33.0) |
| Obese (30–35 kg/m2), n (%) | 3,662 (39.4) | 2,483 (40.8) |
| Severely obese (>35 kg/m2), n (%) | 811 (8.7) | 534 (8.8) |
| Missing, n (%) | 435 (4.7) | 185 (3.0) |
| SBP | ||
| Overall, mmHg, mean (SD) | 133.2 (15.1) | 133.7 (14.6) |
| SBP >140 mmHg, n (%) | 2,067 (22.2) | 1,652 (27.1) |
| Missing, n (%) | 1,847 (19.9) | 328 (5.4) |
| DBP | ||
| Overall, mmHg, mean (SD) | 75.9 (9.9) | 76.1 (9.5) |
| DBP >90 mmHg, n (%) | 666 (7.2) | 449 (7.4) |
| Missing, n (%) | 1,849 (19.9) | 329 (5.4) |
| HbA1c | ||
| Overall, median (IQR) | 7.5 (6.8–8.6) | 7.5 (6.9–8.6) |
| HbA1c ≥8%, n (%) | 2,724 (29.3) | 2,142 (35.2) |
| Missing, n (%) | 1,937 (20.8) | 232 (3.8) |
| Total cholesterol | ||
| Overall, mg/dL, median (IQR) | 162.4 (135.3–193.4) | 158.6 (135.3–189.5) |
| Missing, n (%) | 2,429 (26.1) | 505 (8.3) |
| HDL cholesterol | ||
| Overall, mg/dL, median (IQR) | 44.9 (38.3–54.1) | 45.2 (38.7–54.1) |
| Missing, n (%) | 3,068 (33.0) | 1,001 (16.4) |
| HDL:total cholesterol ratio | ||
| Overall, median (IQR) | 0.28 (0.23–0.35) | 0.29 (0.23–0.35) |
| Missing, n (%) | 3,107 (33.4) | 1,001 (16.4) |
| Triglycerides | ||
| Overall, mg/dL, median (IQR) | 150.6 (108.9–221.4) | 150.6 (106.3–212.6) |
| Missing, n (%) | 5,352 (57.6) | 2,779 (45.6) |
DBP = diastolic blood pressure; eGFR = estimated glomerular filtration rate; HDL = high-density lipid; HbA1c = glycated haemoglobin; IQR = interquartile range; SBP = systolic blood pressure; SD = standard deviation; uACR = urine albumin:creatinine ratio.