Table 3. Odds ratios for anemia based on the cross-categorization of albuminuria and the eGFR.
| eGFR (mL/min per 1.73 m2) | ACR (mg/g) | Non-anemia (N = 812) | Anemia (N = 644) | OR (95% CI) 1 |
|---|---|---|---|---|
| ≥60 | <30 | 126 (15.5) | 12 (1.9) | 1 (reference) |
| 30–299 | 131 (16.1) | 23 (3.6) | 1.88 (0.86–4.09) | |
| ≥300 | 159 (19.6) | 39 (6.1) | 3.10 (1.42–6.77) | |
| 45–59 | <30 | 29 (3.6) | 10 (1.5) | 4.51 (1.62–12.57) |
| 30–299 | 56 (6.9) | 26 (4.0) | 5.30 (2.34–12.01) | |
| ≥300 | 63 (7.8) | 43 (6.7) | 7.39 (3.30–16.55) | |
| <45 | <30 | 28 (3.4) | 22 (3.4) | 7.75 (3.09–19.42) |
| 30–299 | 87 (10.7) | 132 (20.5) | 13.30 (6.50–27.25) | |
| ≥300 | 133 (16.4) | 337 (52.3) | 18.73 (9.06–38.75) |
1 Adjusted for age, sex, the cause of CKD, BMI, pulse pressure, ferritin and serum calcium levels, and the use of an ESA (adjusted R2 = 0.357, P = 0.187)
Abbreviations: ACR, albumin-to-creatinine ratio; BMI, body mass index; CI, confidence interval; CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate; ESA, erythropoiesis stimulating agent; OR, odds ratio.