Table 2.
Men n = 355 | Women n = 589 | All n = 944 | Men vs. women P values | |
---|---|---|---|---|
Serum creatinine (μmol/l) | 89.7 (18.3) | 72.5 (13.3) | 79.0 (17.4) | <0.001 |
24-hour urinary creatinine (mmol) | 9.8 (2.7) | 7.6 (2.0) | 8.4 (2.6) | <0.001 |
Creatinine clearance | 82.3 (22.4) | 85.3 (22.7) | 84.1 (22.6) | 0.051 |
Estimated GFR (ml/min/1.73 m2) | ||||
Cockcroft–Gault | 72.1 (15.6) | 76.2 (20.0) | 74.7 (18.6) | 0.001 |
MDRD-4 | 104.7 (23.0) | 100.9 (22.6) | 102.3 (22.8) | 0.014 |
MDRD-4 without correction for race | 86.5 (19.0) | 83.4 (18.6) | 84.6 (18.8) | 0.014 |
CKD-EPI | 103.6 (18.2) | 102.8 (19.0) | 103.1 (18.7) | 0.52 |
CKD-EPI without correction for race | 89.6 (15.8) | 89.2 (16.5) | 89.4 (16.2) | 0.73 |
Limits of agreement | ||||
Estimated GFR minus creatinine clearance (ml/min/1.73 m2) | ||||
Cockcroft–Gault | −10.1 (−44.8 to 24.5) | −9.0 (−44.6 to 26.6) | −9.4 (−44.7 to 25.8) | 0.36 |
MDRD-4 | 22.4 (−22.1 to 66.8) | 15.6 (−23.6 to 54.8) | 18.2 (−23.6 to 59.9) | <0.001 |
MDRD-4 without correction for race | 4.2 (−36.7 to 45.1) | −1.9 (−38.4 to 34.6) | 0.4 (−38.2 to 39.0) | <0.001 |
CKD-EPI | 21.3 (−17.4 to 60.0) | 17.6 (−17.2 to 52.4) | 19.0 (−17.9 to 53.8) | 0.003 |
CKD-EPI without correction for race | 7.3 (−30.2 to 44.8) | 4.0 (−30.0 to 37.9) | 5.2 (−30.2 to 40.7) | 0.006 |
Means ± SD except for estimated GFR minus creatinine clearance where mean differences and limits of agreement are given.