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Accuracy Assessment of Five Equations Used for Estimating the Glomerular Filtration ate in Korean Adults
- Accuracy Assessment of Five Equations Used for Estimating the Glomerular Filtration ate in Korean Adults
- Jeong, Tae-Dong; Cho, Eun-Jung; Lee, Woochang; Chun, Sail; Hong, Ki-Sook; Min, Won-Ki
- Ewha Authors
- 홍기숙; 정태동
- SCOPUS Author ID
- 홍기숙; 정태동
- Issue Date
- Journal Title
- ANNALS OF LABORATORY MEDICINE
- 2234-3806; 2234-3814
- vol. 37, no. 5, pp. 371 - 380
- Accuracy; Comparison; Creatinine; Equation; Glomerular filtration rate
- KOREAN SOC LABORATORY MEDICINE
- SCIE; SCOPUS; KCI
- Background: We aimed to assess the performance of the five creatinine-based equations commonly used for estimates of the glomerular filtration rate (eGFR), namely, the creatinine-based Chronic Kidney Disease Epidemiology Collaboration (CKD-EPlcr), Asian CKDEPI, revised Lund Malmb (revised LM), full age spectrum (FAS), and Korean FAS equations, in the Korean population. Methods: A total of 1,312 patients, aged 20 yr and above who underwent Cr-51-EDTA GFR measurements (mGFR), were enrolled. The bias (eGFR mGFR) and precision (root mean square error [RMSE]) were calculated. The accuracy (P30) of four eGFR equations was compared to that of the CKD-EPlcr equation. P30 was defined as the percentage of patients whose eGFR was within +/- 30% of the mGFR. Results: The mean bias (mL.min(-1).1.73 m(-2)) of the five eGFR equation was as follows: CKD-EPlcr, -0.6; Asian CKD-EPI, 2.7; revised LM, -6.5; FAS, -2.5; and Korean FAS, -0.2. The bias of the Asian CKD-EPI, revised LM, and FAS equations showed a significant difference from zero (P<0.001). The RMSE values were as follows: CKD-EPlcr, 15.6; Asian CKD-EPI, 15.6; revised LM, 17.9; FAS, 16.3; and Korean FAS, 15.8. There were no significant differences in the P30 except for the Asian. CKD-EPI equation: CKD-EPlcr, 76.6%; Asian CKD-EPI, 74.7%; revised LM, 75.8%; FAS, 76.0%; and Korean FAS, 75.8%. Conclusions: The CKD-EPlcr and Korean FAS equations showed equivalent analytical and clinical performances in the Korean adult population.
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