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. 2022 Aug 3;15(12):2228–2236. doi: 10.1093/ckj/sfac176

Table 3.

Prevalence or mean values of markers of kidney function by disease stage of CKD

CKD stage 1 2 3 3a 3b 4 5
eGFR (ml/min/1.73 m2) >90 60–89 30–59 45–59 30–44 15–29 <15 Total
Overall
N 7 780 977 1 592 383 83 873 73 115 10 759 3001 1397 9 461 631
 % (95% CI) 82.7 (81.0–84.4) 16.1 (14.5–17.6) 1.20 (1.01–1.39) 1.03 (0.86–1.20) 0.17 (0.15–0.20) 0.04 (0.04–0.05) 0.02 (0.02–0.02) 100
 Proteinuria (%), mean (95% CI) 1.28 (1.10–1.46) 2.65 (2.35–2.94) 11.2 (9.90–12.5) 8.95 (7.91–9.99) 24.7 (22.0–27.5) 53.8 (50.2–57.5) 72.4 (66.9–77.8) 1.65 (1.45–1.85)
 CKD (%). mean (95% CI) 1.20 (1.01–1.39) 1.03 (0.86–1.20) 0.17 (0.15–0.20) 0.04 (0.04–0.05) 0.02 (0.02–0.02) 1.26 (1.07–1.46)
 Creatinine (µmol/l), mean (SD) 64.3 (13.5) 85.0 (14.5) 110 (20.2) 105 (15.1) 137 (24.7) 218 (49.7) 563 (234) 68.4 (18.3)
 eGFR (ml/min/1.73 m2), mean (SD) 113 (13.1) 79.9 (7.72) 52.3 (6.67) 54.5 (4.00) 39.4 (4.10) 23.9 (4.20) 8.89 (3.39) 107 (18.4)
Female
N 3 742 988 618 300 40 111 35 804 4307 1045 495 4 402 939
 % (95% CI) 84.6 (82.9–86.3) 14.1 (12.6–15.6) 1.27 (1.04–1.50) 1.10 (0.90–1.31) 0.17 (0.14–0.20) 0.04 (0.03–0.04) 0.02 (0.01–0.02) 100
 Proteinuria (%), mean (95% CI) 0.98 (0.84–1.12) 1.94 (1.70–2.19) 7.50 (6.33–8.66) 5.64 (4.68–6.59) 19.9 (16.7–23.1) 46.8 (41.8–51.8) 67.7 (58.1–77.3) 1.22 (1.08–1.37)
 CKD (%), mean (95% CI) 1.27 (1.04–1.50) 1.10 (0.90–1.31) 0.17 (0.14–0.20) 0.04 (0.03–0.04) 0.02 (0.01–0.02) 1.33 (1.10–1.56)
 Creatinine (µmol/l), mean (SD) 54.8 (8.29) 73.4 (9.68) 97.2 (12.8) 94.0 (8.80) 118 (14.2) 189 (34.5) 489 (192) 58.1 (13.5)
 eGFR (ml/min/1.73 m2), mean (SD) 115 (12.9) 79.5 (7.95) 52.5 (6.40) 54.5 (3.99) 39.8 (4.03) 23.7 (4.13) 8.74 (3.28) 109 (18.5)
Male
N 4 037 989 974 083 43 762 37 311 6451 1956 902 5 058 692
 % (95% CI) 80.8 (79.0–82.6) 18.0 (16.3–19.6) 1.13 (0.96–1.31) 0.96 (0.81–1.11) 0.18 (0.16–0.20) 0.05 (0.04–0.05) 0.02 (0.02–0.02) 100
 Proteinuria (%), mean (95% CI) 1.57 (1.34–1.80) 3.17 (2.81–3.52) 15.2 (13.7–16.7) 12.6 (11.4–13.8) 29.0 (25.8–32.2) 58.8 (54.4–63.1) 75.6 (70.4–80.9) 2.05 (1.79–2.30)
 CKD (%), mean (95% CI) 1.13 (0.96–1.31) 0.96 (0.81–1.11) 0.18 (0.16–0.20) 0.05 (0.04–0.05) 0.02 (0.02–0.02) 1.20 (1.03–1.38)
 Creatinine (µmol/l), mean (SD) 74.0 (10.6) 93.8 (11.0) 123 (18.4) 117 (10.9) 154 (19.6) 240 (47.8) 629 (247) 78.3 (16.9)
 eGFR (ml/min/1.73 m2), mean (SD) 111 (13.0) 80.2 (7.53) 52.1 (6.94) 54.6 (4.01) 39.0 (4.14) 24.1 (4.25) 9.02 (3.48) 105 (18.1)

Prevalence and means are adjusted for age and gender.