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. 2020 Jul 29;21:312. doi: 10.1186/s12882-020-01952-0

Table 2.

Kidney parameters at baseline and throughout a 3-year follow-up (N = 32,492 at baseline)

Baseline at 1 year at 2 years at 3 years Δ 3 years vs. baseline
Albuminuria
 Normoalbuminuriaa, % 63.2 60.2 58.8 59.1 −4.1
 Microalbuminuria, % 34.0 36.8 37.9 37.2 + 3.2
 Macroalbuminuria, % 2.8 3.0 3.3 3.7 + 0.9
eGFR, ml/min/1.73m2 78.4 ± 21.4 77.6 ± 21.8 76.0 ± 22.2 74.5 ± 23.1 −3.9
 eGFR ≥90, % 32.9 32.2 29.7 28.4 −4.5
 eGFR 60 to < 90, % 45.8 46.4 46.4 45.2 −0.6
 eGFR 45 to < 60, % 13.0 12.9 13.9 14.6 + 1.6
 eGFR 30 to < 45, % 5.4 6.3 7.1 8.0 + 2.6
 eGFR 15 to < 30, % 1.5 1.8 2.3 3.1 + 1.6
 eGFR < 15, % 0.3 0.5 0.5 0.7 + 0.4
Chronic kidney diseaseb
 Low risk 33.0 32.2 29.7 28.4 −4.6
 Moderate risk 46.8 46.4 46.4 45.2 −1.6
 High risk 18.4 19.2 21.0 22.6 + 4.2
 Very high risk 1.8 2.2 2.9 3.8 + 2.0

Legend:aNeither microalbuminuria nor macroalbumuria, but albuminuria below the microalbuminuria threshold possible. bCKD was defined as eGFR < 60 mL/min/1.73 m2 OR eGFR ≥60 mL/min/1.73m2 and albuminuria (≥30 mg/g) [12, 13]. eGFR, estimated glomerular filtration rate