| Bias | Precision | Accuracy | MAE | GFR category Misclassification(%) | |
---|---|---|---|---|---|---|
Median difference | IQR | P30(%) | RMSE | |||
All Participants(N = 612) | ||||||
 CKD-EPI | 0.795a | 16.2 | 64.9 | 14.5 | 10.7 | 37.4 |
 LMR | −3.015a | 13.4 | 69.9* | 13.3 | 9.79 | 37.4 |
 BIS1 | −0.050 | 12.7 | 73.9** | 12.9 | 9.26 | 35.3 |
 FAS | −1.765a | 13.1 | 72.4** | 12.1 | 9.48 | 36.3 |
 EKFC | −1.970a | 13.5 | 69.0* | 13.3 | 9.71 | 36.9 |
Participants Aged 65–79 Years(N = 444) | ||||||
 CKD-EPI | 0.290 | 15.3 | 65.1 | 14.2 | 10.40 | 38.1 |
 LMR | −3.140a | 12.7 | 69.1* | 13.5 | 9.80 | 38.3 |
 BIS1 | 0.150 | 12.7 | 73.0** | 13.1 | 9.33 | 36.5 |
 FAS | −1.670a | 12.7 | 72.1** | 13.2 | 9.46 | 37.2 |
 EKFC | −2.180a | 13.0 | 68.9* | 13.5 | 9.68 | 37.4 |
Participants Aged ≥80 Years(N = 168) | ||||||
 CKD-EPI | 3.135a | 18.0 | 64.3 | 15.1 | 11.30 | 35.7 |
 LMR | −2.615a | 14.2 | 72.0* | 12.9 | 9.76 | 35.1 |
 BIS1 | −1.095 | 13.8 | 76.2* | 12.1 | 9.11 | 32.1 |
 FAS | −1.810 | 13.5 | 73.2* | 12.7 | 9.54 | 33.9 |
 EKFC | −1.800a | 14.8 | 69.0 | 13.0 | 9.82 | 35.7 |
Male(N = 386) | ||||||
 CKD-EPI | 0.665 | 15.7 | 68.4 | 14.2 | 10.34 | 36.0 |
 LMR | −3.890a | 14.1 | 73.3* | 13.5 | 9.91 | 39.4 |
 BIS1 | −0.770 | 14.0 | 75.1* | 12.8 | 9.37 | 35.2 |
 FAS | −1.810a | 13.5 | 75.1 | 12.9 | 9.42 | 36.5 |
 EKFC | −2.145a | 13.6 | 71.5* | 13.4 | 9.73 | 38.3 |
Female(N = 226) | ||||||
 CKD-EPI | 1.260a | 18.0 | 58.8 | 15.0 | 10.37 | 39.8 |
 LMR | −1.950 | 13.7 | 64.2 | 13.1 | 9.93 | 34.1 |
 BIS1 | 0.370a | 13.1 | 71.7** | 12.9 | 9.39 | 35.4 |
 FAS | −1.590 | 12.8 | 67.7* | 13.4 | 9.45 | 35.8 |
 EKFC | −1.815a | 14.0 | 64.6* | 13.3 | 9.76 | 34.5 |
mGFR≥60 ml/min/1.73m2(N = 158) | ||||||
 CKD-EPI | 1.590 | 23.8 | 80.4 | 17.6 | 13.96 | 39.9 |
 LMR | −7.860a | 20.5 | 81.6 | 18.9 | 14.37 | 44.9 |
 BIS1 | −8.285a | 19.9 | 79.7 | 18.8 | 14.57 | 47.5 |
 FAS | −6.480a | 21.4 | 77.2 | 18.9 | 14.60 | 46.8 |
 EKFC | −5.760a | 21.7 | 81.6 | 18.3 | 13.81 | 44.9 |
mGFR<60 ml/min/1.73m2(N = 454) | ||||||
 CKD-EPI | 0.720a | 15.1 | 59.5 | 13.2 | 9.50 | 36.6 |
 LMR | −2.065a | 12.3 | 65.9* | 10.8 | 8.20 | 34.8 |
 BIS1 | 1.220a | 11.9 | 71.8** | 10.0 | 7.42 | 31.1 |
 FAS | −0.640 | 11.7 | 70.7** | 10.3 | 7.70 | 32.6 |
EKFC | −1.120a | 13.1 | 64.5** | 11.1 | 8.29 | 34.1 |
Diabetic (N = 293) | ||||||
 CKD-EPI | 0.730 | 16.3 | 65.5 | 13.6 | 10.15 | 36.9 |
 LMR | −3.150a | 12.9 | 69.6 | 12.7 | 9.36 | 37.9 |
 BIS1 | −0.370 | 12.8 | 74.1* | 11.9 | 8.71 | 35.8 |
 FAS | −1.820a | 12.3 | 71.7* | 12.0 | 8.83 | 36.2 |
 EKFC | −1.990a | 12.5 | 70.0* | 12.5 | 9.17 | 36.5 |
Non-diabetic(N = 319) | ||||||
 CKD-EPI | 0.960a | 16.7 | 64.3 | 15.2 | 11.1 | 37.9 |
 LMR | −2.830a | 14.0 | 70.2* | 14.0 | 10.2 | 37.0 |
 BIS1 | 0.110 | 13.0 | 73.7** | 13.7 | 9.8 | 34.8 |
 FAS | −1.760 | 13.9 | 73.0** | 14.0 | 10.1 | 36.4 |
 EKFC | −1.950a | 14.7 | 68.0* | 14.0 | 10.2 | 37.3 |