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Table 2 Performance statistics for the different correction formulas. The reference GFR was obtained with the S-NLLS-method on n = 541 subjects with deviations < 5% from the consensus

From: Iohexol plasma clearance for measuring glomerular filtration rate: effect of different ways to calculate the area under the curve

  C BM Ng F BMJ
LIN’s CCC 0.983 0.989 0.992 0.984 0.989
RMSE 3.61 2.85 2.50 3.37 2.76
Bias [95% CI] −2.6 [−2.8;-2.4] −0.9 [−1.1;-0.7] 0.5 [0.3;0.7] −1.8 [− 2.0;-1.6] −1.0 [− 1.2;-0.8]
SD 2.5 2.7 2.5 2.9 2.6