Renal function deterioration in adult patients with type-2 diabetes

BMC Nephrology

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
Normoalbuminuria^a, %	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 disease^b
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

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