Table 4.
Median bias and interquartile range among subgroups in the validation cohort
| Characteristic | Anthropometric and demographic model (n = 4599) | Anthropometric, demographic, and serum creatinine model (n = 4571) | ||
|---|---|---|---|---|
| Median bias, mg/d (95% CI) | Interquartile range, mg/d | Median bias, mg/d (95% CI) | Interquartile range, mg/d | |
| Women | +3.9 (−7.7, +15.5) | 309.4 | −0.3 (−10.4, +13.2) | 305.9 |
| Men | +5.5 (−10.7, +20.8) | 463.3 | +4.0 (−14.7, +20.7) | 452.9 |
| Black | +7.3 (−24.4, +33.3) | 466.0 | +12.3 (−22.6, +47.1) | 458.4 |
| Non-Black | +3.8 (−6.7, +13.4) | 356.0 | −0.1 (−9.3, +10.7) | 347.0 |
| estimated glomerular filtration rate (ml/min/1.73 m2) | ||||
| >60 | +12.4 (+3.5, +23.4) | 347.6 | +11.4 (−1.7, +25.0) | 338.8 |
| 30–60 | −5.4 (−26.5, +31.4) | 428.5 | −13.0 (−46.9, +7.4) | 424.2 |
| <30 | −81.5 (−124.2, −40.6) | 420.6 | −28.7 (−76.7, +1.9) | 414.2 |
| 24-hour urine albumin | ||||
| <30 mg/d | −25.5 (−46.0, −4.8) | 449.6 | −27.6 (−44.9, −2.6) | 458.8 |
| ≥30 mg/d | +12.6 (+2.4, +24.0) | 352.1 | +10.0 (−3.2, +25.0) | 342.5 |
CI, confidence interval.