Table 2.
Ultrasound preoperative renal parameters.
| Variable | Total (n = 53) | AKI (n = 8) | No AKI (n = 45) | OR [CI 95%] | P-value |
|---|---|---|---|---|---|
| Tr. diam. (mm) | 54.7 ± 7.8 | 57.5 ± 9 | 54.3 ± 7.6 | 1 [0.9–1.1] | .297 |
| Long. diam. (mm) | 103.7 [95.8–110.7] | 105.6 [ −111.8103.3–111.8] | 102.7 [93.8–110.7] | 1 [0.9–1.1] | .427 |
| Cortex (mm) | 17.2 ± 3.4 | 16.3 ± 2 | 17.3 ± 3 6 | 0.9 [0.7–1.1] | .427 |
| Medulla (mm) | 35.6 ± 7.4 | 39.1 ± 9.3 | 35 ± 7 | 1 [0.9–1.2] | .170 |
| delta-RRI | 0. 055 ± 0.03 | 0. 026 ± 0.016 | 0. 061 ± 0.029 | 0.6 [0.4–0.9] | .007* |
| delta-RRI ≥0.05 delta-RRI <0.05 |
31 (58.5%) 22 (41.5%) |
0 (0%) 8 (36.4%) |
31 (100%) 14 (63.6%) |
0.03 [0–0.5] | .017* |
Values expressed as median [25th–75th percentile] or mean ± standard deviation and odds ratio (OR) with 95% confidence interval were reported (*P < .05).
Abbreviations: AKI, acute kidney injury; ATr. diam., transversal diameter; CI, confidence interval; delta-RRI, delta renal resistive index; Long. diam., longitudinal diameter; OR, odds ratio.