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Impact of routine reporting of estimated glomerular filtration rate using the CKD-EPI formula in a community population: A cross-sectional cohort study.
Nephrology (Carlton). 2014 Sep; 19(9):581-6.N

Abstract

AIM

Most laboratories are moving to report estimated glomerular filtration rates (eGFR) using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) formula. However, data on the prevalence of chronic kidney disease (CKD) in the population and its economic impact have to date been modelled using data derived from the modification of diet in renal disease (MDRD) equation. Evaluating the impact of CKD-EPI on prevalence has important implications for referral patterns and health expenditure.

METHODS

eGFR were calculated from 2 295313 creatinine results from 833334 patients using the MDRD and CKD-EPI formulae. The proportion of patients in each CKD stage was determined and annual rates of change of eGFR in patients assigned to a new CKD stage compared with their previous CKD stage calculated. The effects of age on eGFR were assessed.

RESULTS

Reporting of eGFR using the CKD-EPI equation reduced the prevalence of CKD stages III-V from 9.2% to 7.6%. A total of 181126 patients were reclassified using CKD-EPI with 171298 changing to a better CKD stage. Reclassification rates were highest in CKD stages II and III. Patients reclassified from stage III to II tended to be younger or female. eGFR declines rapidly after the age of 60.

CONCLUSIONS

Introduction of routine eGFR reporting using the CKD-EPI formula will reduce the population prevalence of CKD. CKD-EPI reporting better identifies patients at risk of further decline in renal function. Improvement in the classification should reduce unnecessary costs related to surveillance and referral. The impact of ageing on renal function should be appreciated.

Authors+Show Affiliations

Renal Unit, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

24888643

Citation

Mitchell, Tim, et al. "Impact of Routine Reporting of Estimated Glomerular Filtration Rate Using the CKD-EPI Formula in a Community Population: a Cross-sectional Cohort Study." Nephrology (Carlton, Vic.), vol. 19, no. 9, 2014, pp. 581-6.
Mitchell T, Hadlow N, Chakera A. Impact of routine reporting of estimated glomerular filtration rate using the CKD-EPI formula in a community population: A cross-sectional cohort study. Nephrology (Carlton). 2014;19(9):581-6.
Mitchell, T., Hadlow, N., & Chakera, A. (2014). Impact of routine reporting of estimated glomerular filtration rate using the CKD-EPI formula in a community population: A cross-sectional cohort study. Nephrology (Carlton, Vic.), 19(9), 581-6. https://doi.org/10.1111/nep.12283
Mitchell T, Hadlow N, Chakera A. Impact of Routine Reporting of Estimated Glomerular Filtration Rate Using the CKD-EPI Formula in a Community Population: a Cross-sectional Cohort Study. Nephrology (Carlton). 2014;19(9):581-6. PubMed PMID: 24888643.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Impact of routine reporting of estimated glomerular filtration rate using the CKD-EPI formula in a community population: A cross-sectional cohort study. AU - Mitchell,Tim, AU - Hadlow,Narelle, AU - Chakera,Aron, PY - 2014/05/26/accepted PY - 2014/6/4/entrez PY - 2014/6/4/pubmed PY - 2015/5/15/medline KW - ageing KW - chronic renal failure KW - classification KW - eGFR KW - prevalence SP - 581 EP - 6 JF - Nephrology (Carlton, Vic.) JO - Nephrology (Carlton) VL - 19 IS - 9 N2 - AIM: Most laboratories are moving to report estimated glomerular filtration rates (eGFR) using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) formula. However, data on the prevalence of chronic kidney disease (CKD) in the population and its economic impact have to date been modelled using data derived from the modification of diet in renal disease (MDRD) equation. Evaluating the impact of CKD-EPI on prevalence has important implications for referral patterns and health expenditure. METHODS: eGFR were calculated from 2 295313 creatinine results from 833334 patients using the MDRD and CKD-EPI formulae. The proportion of patients in each CKD stage was determined and annual rates of change of eGFR in patients assigned to a new CKD stage compared with their previous CKD stage calculated. The effects of age on eGFR were assessed. RESULTS: Reporting of eGFR using the CKD-EPI equation reduced the prevalence of CKD stages III-V from 9.2% to 7.6%. A total of 181126 patients were reclassified using CKD-EPI with 171298 changing to a better CKD stage. Reclassification rates were highest in CKD stages II and III. Patients reclassified from stage III to II tended to be younger or female. eGFR declines rapidly after the age of 60. CONCLUSIONS: Introduction of routine eGFR reporting using the CKD-EPI formula will reduce the population prevalence of CKD. CKD-EPI reporting better identifies patients at risk of further decline in renal function. Improvement in the classification should reduce unnecessary costs related to surveillance and referral. The impact of ageing on renal function should be appreciated. SN - 1440-1797 UR - https://www.unboundmedicine.com/medline/citation/24888643/Impact_of_routine_reporting_of_estimated_glomerular_filtration_rate_using_the_CKD_EPI_formula_in_a_community_population:_A_cross_sectional_cohort_study_ DB - PRIME DP - Unbound Medicine ER -