Table 3 Concentrations of NGAL, LFABP and HFABP
|  | Preoperative venous blood | Renal arterial blood (ART) | Renal venous blood (VEN) | Transrenal gradient (VEN–ART) | P-value (ART VS VEN)§ |
|---|---|---|---|---|---|
NGAL (ng/ml) | |||||
ALL (N = 28) | 71.4 (53.9–90.0) | 64.9 (46.5–83.4) | 62.3 (47.3–86.7) | 0.5 (− 6.4–6.0) | 0.585 |
NO-DGF (N = 22) | 71.4 (50.7–94.1) | 65.6 (44.5–85.3) | 59.8 (44.0–88.1) | 0.3 (− 4.5–5.3) | 0.78 |
DGF (N = 6) | 70.6 (56.9–81.6) | 64.9 (60.8–69.7) | 63.2 (56.9–90.3) | 2.7 (− 8.3–22.4) | 0.46 |
P-VALUE (DGF VS NO-DGF) §§ | 0.89 | 0.98 | 0.37 | 0.494 |  |
LFABP (ng/ml) | |||||
ALL (N = 26) | 48.5 (39.0–64.0) | 56.7 (47.7–74.8) | 78.0 (57.1–116.3) | 8.4 (1.7–30.0)* | 0.005* |
NO-DGF (N = 20) | 43.5 (36.6–61.6) | 56.3 (44.7–66.3) | 73.5 (53.3–88.0) | 8.4 (2.3–24.1)* | 0.001* |
DGF (N = 6) | 56.0 (48.3–104.1) | 77.5 (54.5–125.6) | 103.3 (68.7–131.4) | 16.7 (− 13.0–45.3) | 0.345 |
P-VALUE (DGF VS NO-DGF) §§ | 0.11 | 0.22 | 0.083 | 0.836 |  |
HFABP (ng/ml) | |||||
ALL (N = 24) | 22.2 (15.8–34.1) | 24.6 (16.2–33.9) | 28.3 (24.6–38.1) | 3.7 (1.1–5.0)* | 0.003* |
NO-DGF (N = 21) | 21.6 (15.7–28.5) | 23.2 (15.5–30.2) | 27.8 (24.5–35.3) | 3.7 (1.5–5.2)* | 0.0007* |
DGF (N = 3) | 36.4 (35.5–65.1) | 34.0 (33.8–66.8) | 38.4 (35.8–62.4) | − 0.3 (-6.7–2.1) | 0.59 |
P-VALUE (DGF VS NO-DGF) §§ | 0.031* | 0.041* | 0.122 | 0.172 |  |