Performance of creatinine-based GFR estimating equations in solid-organ transplant recipients

Kamran Shaffi, Katrin Uhlig, Ronald D. Perrone, Robin Ruthazer, Andrew D Rule, John C Lieske, Gerjan Navis, Emilio D. Poggio, Lesley A. Inker, Andrew S. Levey

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

Background Accurate assessment of kidney function is important for the management of solid-organ transplant recipients. In other clinical populations, glomerular filtration rate (GFR) most commonly is estimated using the CKD-EPI (Chronic Kidney Disease Epidemiology Collaboration) creatinine or the 4-variable MDRD (Modification of Diet in Renal Disease) Study equation. The accuracy of these equations compared with other GFR estimating equations in transplant recipients has not been carefully studied. Study Design Diagnostic test study. Setting & Participants Solid-organ transplant recipients longer than 6 months posttransplantation from 5 clinical populations (N = 3,622, including recipients of kidney [53%], liver [35%], and other or multiple organs [12%]). Index Test Estimated GFR (eGFR) using creatinine-based GFR estimating equations identified from a systematic review of the literature. Performance of the CKD-EPI creatinine and the MDRD Study equations was compared with alternative equations. Reference Test Measured GFR (mGFR) from urinary clearance of iothalamate or plasma clearance of iohexol. Measurements Error (difference between mGFR and eGFR) expressed as P30 (proportion of absolute percent error < 30%) and mean absolute error. Results We identified 26 GFR estimating equations. Mean mGFR was 55.1 ± 22.7 (SD) mL/min/1.73 m 2. P30 and mean absolute error for the CKD-EPI and the MDRD Study equations were 78.9% (99.6% CI, 76.9%-80.8%) for both and 10.6 (99.6% CI, 10.1-11.1) versus 11.0 (99.6% CI, 10.5-11.5) mL/min/1.73 m2, respectively; these equations were more accurate than any of the alternative equations (P < 0.001 for all pairwise comparisons for both measures). They performed better than or as well as the alternative equations in most subgroups defined by demographic and clinical characteristics, including type of transplanted organ. Limitations Study population included few nonwhites and people with solid-organ transplants other than liver and kidneys. Conclusions The CKD-EPI creatinine and the MDRD Study equations perform better than the alternative creatinine-based estimating equations in solid-organ transplant recipients. They can be used for clinical management.

Original languageEnglish (US)
Pages (from-to)1007-1018
Number of pages12
JournalAmerican Journal of Kidney Diseases
Volume63
Issue number6
DOIs
StatePublished - 2014

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Glomerular Filtration Rate
Creatinine
Diet Therapy
Transplants
Kidney
Chronic Renal Insufficiency
Epidemiology
Iothalamic Acid
Population
Iohexol
Liver
Transplant Recipients
Routine Diagnostic Tests
Demography

Keywords

  • creatinine-based estimated glomerular filtration rate (eGFR) equation
  • Glomerular filtration rate (GFR) estimation
  • kidney transplantation
  • renal function
  • solid-organ transplant recipient

ASJC Scopus subject areas

  • Nephrology

Cite this

Performance of creatinine-based GFR estimating equations in solid-organ transplant recipients. / Shaffi, Kamran; Uhlig, Katrin; Perrone, Ronald D.; Ruthazer, Robin; Rule, Andrew D; Lieske, John C; Navis, Gerjan; Poggio, Emilio D.; Inker, Lesley A.; Levey, Andrew S.

In: American Journal of Kidney Diseases, Vol. 63, No. 6, 2014, p. 1007-1018.

Research output: Contribution to journalArticle

Shaffi, K, Uhlig, K, Perrone, RD, Ruthazer, R, Rule, AD, Lieske, JC, Navis, G, Poggio, ED, Inker, LA & Levey, AS 2014, 'Performance of creatinine-based GFR estimating equations in solid-organ transplant recipients', American Journal of Kidney Diseases, vol. 63, no. 6, pp. 1007-1018. https://doi.org/10.1053/j.ajkd.2014.01.436
Shaffi, Kamran ; Uhlig, Katrin ; Perrone, Ronald D. ; Ruthazer, Robin ; Rule, Andrew D ; Lieske, John C ; Navis, Gerjan ; Poggio, Emilio D. ; Inker, Lesley A. ; Levey, Andrew S. / Performance of creatinine-based GFR estimating equations in solid-organ transplant recipients. In: American Journal of Kidney Diseases. 2014 ; Vol. 63, No. 6. pp. 1007-1018.
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abstract = "Background Accurate assessment of kidney function is important for the management of solid-organ transplant recipients. In other clinical populations, glomerular filtration rate (GFR) most commonly is estimated using the CKD-EPI (Chronic Kidney Disease Epidemiology Collaboration) creatinine or the 4-variable MDRD (Modification of Diet in Renal Disease) Study equation. The accuracy of these equations compared with other GFR estimating equations in transplant recipients has not been carefully studied. Study Design Diagnostic test study. Setting & Participants Solid-organ transplant recipients longer than 6 months posttransplantation from 5 clinical populations (N = 3,622, including recipients of kidney [53{\%}], liver [35{\%}], and other or multiple organs [12{\%}]). Index Test Estimated GFR (eGFR) using creatinine-based GFR estimating equations identified from a systematic review of the literature. Performance of the CKD-EPI creatinine and the MDRD Study equations was compared with alternative equations. Reference Test Measured GFR (mGFR) from urinary clearance of iothalamate or plasma clearance of iohexol. Measurements Error (difference between mGFR and eGFR) expressed as P30 (proportion of absolute percent error < 30{\%}) and mean absolute error. Results We identified 26 GFR estimating equations. Mean mGFR was 55.1 ± 22.7 (SD) mL/min/1.73 m 2. P30 and mean absolute error for the CKD-EPI and the MDRD Study equations were 78.9{\%} (99.6{\%} CI, 76.9{\%}-80.8{\%}) for both and 10.6 (99.6{\%} CI, 10.1-11.1) versus 11.0 (99.6{\%} CI, 10.5-11.5) mL/min/1.73 m2, respectively; these equations were more accurate than any of the alternative equations (P < 0.001 for all pairwise comparisons for both measures). They performed better than or as well as the alternative equations in most subgroups defined by demographic and clinical characteristics, including type of transplanted organ. Limitations Study population included few nonwhites and people with solid-organ transplants other than liver and kidneys. Conclusions The CKD-EPI creatinine and the MDRD Study equations perform better than the alternative creatinine-based estimating equations in solid-organ transplant recipients. They can be used for clinical management.",
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AU - Uhlig, Katrin

AU - Perrone, Ronald D.

AU - Ruthazer, Robin

AU - Rule, Andrew D

AU - Lieske, John C

AU - Navis, Gerjan

AU - Poggio, Emilio D.

AU - Inker, Lesley A.

AU - Levey, Andrew S.

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N2 - Background Accurate assessment of kidney function is important for the management of solid-organ transplant recipients. In other clinical populations, glomerular filtration rate (GFR) most commonly is estimated using the CKD-EPI (Chronic Kidney Disease Epidemiology Collaboration) creatinine or the 4-variable MDRD (Modification of Diet in Renal Disease) Study equation. The accuracy of these equations compared with other GFR estimating equations in transplant recipients has not been carefully studied. Study Design Diagnostic test study. Setting & Participants Solid-organ transplant recipients longer than 6 months posttransplantation from 5 clinical populations (N = 3,622, including recipients of kidney [53%], liver [35%], and other or multiple organs [12%]). Index Test Estimated GFR (eGFR) using creatinine-based GFR estimating equations identified from a systematic review of the literature. Performance of the CKD-EPI creatinine and the MDRD Study equations was compared with alternative equations. Reference Test Measured GFR (mGFR) from urinary clearance of iothalamate or plasma clearance of iohexol. Measurements Error (difference between mGFR and eGFR) expressed as P30 (proportion of absolute percent error < 30%) and mean absolute error. Results We identified 26 GFR estimating equations. Mean mGFR was 55.1 ± 22.7 (SD) mL/min/1.73 m 2. P30 and mean absolute error for the CKD-EPI and the MDRD Study equations were 78.9% (99.6% CI, 76.9%-80.8%) for both and 10.6 (99.6% CI, 10.1-11.1) versus 11.0 (99.6% CI, 10.5-11.5) mL/min/1.73 m2, respectively; these equations were more accurate than any of the alternative equations (P < 0.001 for all pairwise comparisons for both measures). They performed better than or as well as the alternative equations in most subgroups defined by demographic and clinical characteristics, including type of transplanted organ. Limitations Study population included few nonwhites and people with solid-organ transplants other than liver and kidneys. Conclusions The CKD-EPI creatinine and the MDRD Study equations perform better than the alternative creatinine-based estimating equations in solid-organ transplant recipients. They can be used for clinical management.

AB - Background Accurate assessment of kidney function is important for the management of solid-organ transplant recipients. In other clinical populations, glomerular filtration rate (GFR) most commonly is estimated using the CKD-EPI (Chronic Kidney Disease Epidemiology Collaboration) creatinine or the 4-variable MDRD (Modification of Diet in Renal Disease) Study equation. The accuracy of these equations compared with other GFR estimating equations in transplant recipients has not been carefully studied. Study Design Diagnostic test study. Setting & Participants Solid-organ transplant recipients longer than 6 months posttransplantation from 5 clinical populations (N = 3,622, including recipients of kidney [53%], liver [35%], and other or multiple organs [12%]). Index Test Estimated GFR (eGFR) using creatinine-based GFR estimating equations identified from a systematic review of the literature. Performance of the CKD-EPI creatinine and the MDRD Study equations was compared with alternative equations. Reference Test Measured GFR (mGFR) from urinary clearance of iothalamate or plasma clearance of iohexol. Measurements Error (difference between mGFR and eGFR) expressed as P30 (proportion of absolute percent error < 30%) and mean absolute error. Results We identified 26 GFR estimating equations. Mean mGFR was 55.1 ± 22.7 (SD) mL/min/1.73 m 2. P30 and mean absolute error for the CKD-EPI and the MDRD Study equations were 78.9% (99.6% CI, 76.9%-80.8%) for both and 10.6 (99.6% CI, 10.1-11.1) versus 11.0 (99.6% CI, 10.5-11.5) mL/min/1.73 m2, respectively; these equations were more accurate than any of the alternative equations (P < 0.001 for all pairwise comparisons for both measures). They performed better than or as well as the alternative equations in most subgroups defined by demographic and clinical characteristics, including type of transplanted organ. Limitations Study population included few nonwhites and people with solid-organ transplants other than liver and kidneys. Conclusions The CKD-EPI creatinine and the MDRD Study equations perform better than the alternative creatinine-based estimating equations in solid-organ transplant recipients. They can be used for clinical management.

KW - creatinine-based estimated glomerular filtration rate (eGFR) equation

KW - Glomerular filtration rate (GFR) estimation

KW - kidney transplantation

KW - renal function

KW - solid-organ transplant recipient

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