Table 3 Comparison of CKD-EPI and MDRD versus 51Cr-EDTA as absolute GFR values (ml/min)
All participants | Women | Men | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | Mean bias (95% C.I) | Std dev. | P value | N | Mean bias (95% C.I) | Std dev. | P value | N | Mean bias (95% C.I) | Std dev. | P value | |
CKD-EPI versus 51-CR-EDTA ml/min | ||||||||||||
all | 185 | 0.49 (-1.38 to 2.37) | 12.95 | 0.83 | 104 | 0.86 (-1.70 to 3.44) | 13.23 | 0.73 | 81 | 0.01 (-2.78 to 2.81) | 12.65 | 0.99 |
BSA < 1.60 | 34 | 3.66 (-0.82 to 8.14) | 12.85 | 0.35 | 32 | 2.65 (-1.87 to 7.18) | 12.56 | 0.52 | 2 | 19.76 (-0.03 to 39.57) | 2.2 | <0.05 |
BSA 1.60-1.79 | 70 | 0.31 (-3.05 to 3.67) | 14.11 | 0.91 | 52 | -0.70 (-4.69 to 3.27) | 14.31 | 0.81 | 18 | 3.25 (-3.42 to 9.94) | 13.44 | 0.66 |
BSA > 1.80 | 81 | -0.68 (-3.30 to 1.94) | 11.85 | 0.86 | 20 | 2.10 (-3.18 to 7.40) | 11.31 | 0.74 | 61 | -1.59 (-4.65 to 1.47) | 11.97 | 0.73 |
MDRD versus 51CR-EDTA ml/min | ||||||||||||
all | 185 | 0.27 (-2.09 to 2.64) | 16.33 | 0.91 | 104 | -1.66 (-4.70 to 1.38) | 15.66 | 0.53 | 81 | 2.77 (-0.97 to 6.51) | 16.93 | 0.53 |
BSA < 1.60 | 34 | 3.18 (-1.76 to -8.14) | 14.20 | 0.46 | 32 | 2.24 (-2.83 to 7.33) | 14.10 | 0.62 | 2 | 18.25 (-3.65 to 40.16) | 2.43 | <0.05 |
BSA 1.60-1.79 | 70 | 1.08 (-3.69 to 5.86) | 20.02 | 0.76 | 52 | -3.13 (-7.88 to 1.62) | 17.08 | 0.35 | 18 | 13.26 (1.69 to 24.83) | 23.27 | 0.17 |
BSA > 1.80 | 81 | -1.63 (-4.58 to 1.30) | 13.29 | 0.69 | 20 | -4.09 (-10.45 to 2.25) | 13.57 | 0.52 | 61 | -0.83 (-4.21 to 2.55) | 13.22 | 0.86 |