Table 6. Linear regression analysis for the association between the bias of CKD-EPI and MDRD equations and demographic characteristics in White participants, with mutual adjustment for all other variables in the table.
CKD-EPI | MDRD | |||
---|---|---|---|---|
Characteristic | Linear regression coefficient (95% confidence interval) |
Linear regression coefficient (95% confidence interval) |
||
White (N = 1614) | Black (N = 266) | White (N = 1614) | Black (N = 266) | |
Age | -0.1 (-0.2 to -0.0) | -0.3 (-0.5 to -0.1) | 0.1 (0.0 to 0.2) | -0.2 (-0.5 to 0.1) |
Male | 0.9 (-0.6 to 2.4) | -5.1 (-10.4 to 0.2) | 3.0 (0.8 to 5.1) | -4.9 (-11.5 to 1.8) |
BMI | 0.0 (-0.1 to 0.2) | -0.3 (-0.8 to 0.2) | -0.0 (-0.2 to 0.2) | -0.0 (-0.6 to 0.6) |
Referral source | ||||
Haematology | Ref | Ref | Ref | Ref |
Oncology | -0.6 (-6.3 to 5.2) | 2.2 (-13.3 to 17.7) | -1.3 (-9.7 to 7.0) | -2.2 (-21.7 to 17.3) |
Renal | -1.4 (-3.8 to 1.0) | -0.3 (-10.4 to 9.9) | -1.8 (-5.2 to 1.7) | -0.3 (-13.1 to 12.5) |
Urology | 1.6 (-4.6 to 7.8) | -17.8 (-39.2 to 3.5) | 0.6 (-8.4 to 9.6) | -21.8 (-48.8 to 5.1) |
ICU | -2.9 (-23.9 to 18.1) | No data | 14.2 (-16.2 to 44.5) | No data |
Medicine | 2.2 (-0.9 to 5.3) | 5.1 (-6.5 to 16.8) | 3.8 (-0.7 to 8.2) | 2.3 (-12.4 to 17.1) |
Paeds | -1.9 (-6.0 to 2.3) | -8.0 (-20.6 to 4.6) | -3.5 (-9.5 to 2.6) | -6.3 (-22.1 to 9.6) |
Other | 0.5 (-3.8 to 4.8) | -25.1 (-44.3 to -5.9) | 1.1 (-5.2 to 7.3) | -31.1 (-55.3 to -6.9) |
Unknown | 2.2 (-3.3 to 7.8) | 2.0 (-9.0 to 13.0) | 2.2 (-5.9 to 10.2) | -1.1 (-15.0 to 12.8) |