Table 2.
Preoperative patient characteristics by the occurrence of postoperative AKI, N = 58.a
| AKI Group (N = 12) | Non-AKI Group (N = 46) | P-value | |
|---|---|---|---|
| Age | 57.8 ± 11.40 | 54.1 ± 12.7 | 0.932 |
| Sex | 0.963 | ||
| Female | 8 | 31 | |
| Male | 4 | 15 | |
| BMI (mean ± SD) | 28.3 ± 9.3 | 28.4 ± 7.9 | 0.307 |
| ASA score (median±SD) | 2.8 ± 0.4 | 2.7 ± 0.6 | 0.186 |
| Baseline creatinine | 0.84 ± 0.27 | 0.80 ± 0.27 | 0.876 |
| Charlson scorea | |||
| 0 | 2 (16.7%) | 23 (50%) | 0.037 |
| ≥1 | 10 (83.3%) | 23 (50%) | |
Numbers in bold: statistically significant.
AKI = Acute kidney injury, BMI= Body Mass Index, ASA = American Society of Anesthesiology.
a
None of the patients had pre-existing chronic kidney disease and their comorbidities were assessed and weighted using the Charlson Comorbidity Index. Missing variables = none.