Table 2.
Urine analyses of kidney injury biomarkers before surgery and on the first morning after the surgery.
| Variable | Decrease in serum creatinine (N = 15) | Increase in serum creatinine (N = 15) | Mann-Whitney P-value |
|---|---|---|---|
| No correction for dilution | |||
| AKIRisk™ (mg/L)2 | |||
| Before surgery After surgery |
0.70 (0.09–1.98) 0.35 (0.19–0.57) |
0.57 (0.22–1.53) 0.85 (0.67–2.20) |
0.946 <0.0055 |
| IGFBP7 (μg/L) | |||
| Before surgery After surgery |
130 (41–205) 83 (73–131) |
119 (68–168) 161 (128–261) |
0.93 <0.0064 |
| TIMP-2 (μg/L) | |||
| Before surgery After surgery |
4.3 (2.6–12.4) 4.0 (2.8–4.7) |
4.8 (3.3–8.6) 5.8 (4.3–8.0) |
0.71 <0.02 |
| With correction for dilution | |||
| AKIRisk™ (μg/mmol)2 | |||
| Before surgery After surgery |
8.3 (3.9–15.5) 5.7 (2.1–7.8) |
8.0 (3.2–11.7) 6.9 (5.3–11) |
0.44 0.24 |
| IGFBP7 (μg/mmol) | |||
| Before surgery After surgery |
12.2 (8.5–17.0) 12.1 (7.3–14.4) |
12.1 (8.5–14.6) 15.5 (12.7–18.3) |
0.47 0.07 |
| TIMP-2 (μg/mmol) | |||
| Before surgery After surgery |
0.65 (0.40–0.89) 0.45 (0.30–0.56) |
0.62 (0.41–0.73) 0.46 (0.40–0.59) |
0.65 0.68 |
| Albumin (mg/ml) | |||
| Before surgery After surgery |
1.79 (0.84–5.01) 1.76 (1.14–3.21) |
1.43 (1.10–3.27) 3.56 (1.45–12.36) |
0.97 0.13 |
Data are the median and 25th−75th percentiles.