Table 3. Study parameters.
| Presented as | Patients with AKI | Patients without AKI | P-value | |
|---|---|---|---|---|
| Renal Resistive Index (RRI) | (n = 49) | (n = 50) | ||
| Both kidneys averaged | Mean (95% CI) | 0.708 (0.687–0.730) | 0.654 (0.631–0.677) | 0.001 |
| Left kidney | Mean (95% CI) | 0.706 (0.683–0.730) | 0.657 (0.632–0.682) | 0.005 |
| Right kidney | Mean (95% CI) | 0.711 (0.690–0.732) | 0.652 (0.629–0.675) | <0.001 |
| Microcirculation (SDF) | (n = 36) | (n = 33) | ||
| Vessel Density (n/mm) | Mean (95% CI) | 9.96 (9.32–10.61) | 9.11 (8.23–9.99) | 0.110 |
| Percentage of Perfused Vessels (%) | Mean (95% CI) | 73.6 (69.4–77.7) | 72.9 (67.9–78.0) | 0.146 |
| Perfused Vessel Density (n/mm) | Mean (95% CI) | 7.32 (6.73–7.92) | 6.65 (5.93–7.37) | 0.841 |
| Microvascular Flow Index | Mean (95% CI) | 1.97 (1.79–2.14) | 2.05 (1.87–2.24) | 0.482 |
| Bioelectral Impedance Analysis (BIA) | (n = 47) | (n = 49) | ||
| Resistance (Xc/m) | Median (IQ range) | 276.9 (246.8–310.7) | 285.0 (255.4–322.1) | 0.631 |
| Reactance (R/m) | Median (IQ range) | 22.1 (17.4–27.8) | 24.7 (22.8–31.1) | 0.015 |
| Phase Angle | Median (IQ range) | 4.3 (3.6–5.4) | 5.1 (4.4–6.2) | 0.010 |