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Table 4 Absolute mean differences between GFR estimated by the different equations used among 7001 adults aged 18–79 in Germany 2008–2011 (DEGS1) according to GFR category

From: Impact of the estimation equation for GFR on population-based prevalence estimates of kidney dysfunction

 

Overall

GFR categorya

 

G1

G2

G3a

G3b-G5

MDRD vs. CKD-EPIcrecys

16.7 (15.9%)

17.5 (15.1%)

16.1 (18.3%)

6.4 (11.1%)

2.2 (6.0%)

MDRD vs. CKD-EPIcre

6.8 (7.1%)

7.1 (6.6%)

6.9 (8.4%)

1.7 (3.1%)

0.3 (0.8%)

MDRD vs. CKD-EPIcys

22.9 (20.6%)

24.3 (20.4%)

20.0 (22.2%)

4.6 (8.2%)

3.5 (9.1%)

MDRD vs. LM

4.7 (5.6%)

9.6 (9.9%)

1.5 (1.9%)

1.4 (2.6%)

2.6 (7.7%)

MDRD vs. FAScre

3.3 (3.6%)

5.1 (4.7%)

2.0 (2.5%)

2.9 (5.5%)

0.1 (0.1%)

CKD-EPIcrecys vs. CKD-EPIcre

9.9 (10.4%)

10.1 (9.8%)

9.8 (13.2%)

5.4 (10.6%)

1.9 (5.4%)

CKD-EPIcrecys vs. CKD-EPIcys

6.2 (5.6%)

6.6 (5.7%)

4.3 (5.3%)

1.1 (2.0%)

0.8 (2.3%)

CKD-EPIcrecys vs. LM

21.4 (25.6%)

24.0 (26.1%)

17.6 (24.8%)

8.3 (16.6%)

4.8 (14.9%)

CKD-EPIcrecys vs. FAScre

13.4 (14.6%)

12.6 (12.3%)

16.2 (22.8%)

9.4 (19.0%)

2.0 (5.6%)

CKD-EPIcre vs. CKD-EPIcys

16.1 (14.5%)

16.8 (14.2%)

14.6 (16.8%)

3.5 (6.2%)

3.4 (9.0%)

CKD-EPIcre vs. LM

11.5 (13.7%)

15.0 (15.8%)

8.2 (11.0%)

3.3 (6.3%)

2.9 (8.9%)

CKD-EPIcre vs. FAScre

3.5 (3.8%)

2.2 (2.1%)

5.6 (7.4%)

4.6 (8.9%)

0.4 (1.1%)

CKD-EPIcys vs. LM

27.6 (33.0%)

30.1 (33.5%)

22.1 (32.2%)

7.0 (13.9%)

6.1 (18.7%)

CKD-EPIcys vs. FAScre

19.7 (21.4%)

19.4 (19.4%)

22.3 (32.7%)

8.0 (16.0%)

3.0 (8.7%)

LM vs. FAScre

8.0 (8.7%)

13.5 (12.4%)

3.5 (4.4%)

1.2 (2.3%)

2.1 (5.7%)

  1. Relative changes (%) of the estimated GFR were calculated as ([first value] – [second value]) / [second value])
  2. MDRD Modification of Diet in Renal Disease study equation, CKD-EPIcre Chronic Kidney Disease Epidemiology Collaboration creatinine equation, CKD-EPIcys Chronic Kidney Disease Epidemiology Collaboration cystatin C equation, CKD-EPIcrecys Chronic Kidney Disease Epidemiology Collaboration creatinine and cystatin C equation, LM Lund-Malmö equation, FAScre Full Age Spectrum creatinine equation
  3. aGFR categories are defined according to the mean value of GFR estimated by the equations being compared (expressed in ml/min/1.73m2) as follows: G1: ≥90, G2: 60 < 90, G3a: 45 < 60, G3b-G5: <45
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BMC Nephrology

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