The Reliability of the Use of Serum Neutrophil Gelatinase–Associated Lipocalin Levels in the Assessment of Renal Functions after Coronary Artery Bypass Grafting
Table 2
Perioperative kidney function tests.
Variable
Pre-op, mean ± SD
95% CI
PO 1st day, mean ± SD
95% CI
PO 5th day, mean ± SD
95% CI
BUN (mg/dL)
40.4 ± 13
36.2–44.2
41 ± 15.9
36–45.6
40.1 ± 18.4
35.1–46.1
Blood creatinine (mg/dL)
1.1 ± 0.2
1–1.1
1 ± 0.3
0.9–1
1 ± 0.3
0.9–1.1
Total urine output during 24 h (mL)
1909 ± 1073
1596–2258
2885 ± 822
2630–3151
2789 ± 1444
2360–3205
CCR (mL·min−1 per 1.73 m2)
85.7 ± 30
76.9–94.5
109.4 ± 42
97.8–121.8
87.8 ± 32.8
77.7–97.7
GFR (mL·min−1 per 1.73 m2)
77.5 ± 18.9
71.9–83.1
89.7 ± 27.9
80.9–98.3
81.2 ± 19.7
75.3–87.1
BUN: blood urea nitrogen; CCR: creatinine clearance rate; CI: confidence interval; GFR: estimated glomerular filtration rate measurement of the Cockcroft–Gault equation adjusted to the body surface area; Pre-op: preoperative; PO: postoperative; SD: standard deviation.
