Table 3 Predictors of AKI by univariate and multivariable logistic regression analysis
Variables | AKI | Univariate | Multivariable | |||
|---|---|---|---|---|---|---|
Yes (n = 196) | No (n = 240) | OR (CI 95%) | p | OR (CI 95%) | p | |
Male gender n/total (%) | 61/196 (31.1%) | 51/240 (21.2%) | 1.68 (1.09–2.60) | 0.019 | ||
Age, years (mean ± SD) | 93.4 ± 3.1 | 93.7 ± 3.6 | 0.98 (0.93–1.04) | 0.480 | ||
Charlson’s score ≥ 6 n/total (%) | 113/196 (57.6%) | 112/240 (46.7%) | 1.56 (1.06–2.28) | 0.023 | ||
Length of hospital stay, days (mean ± SD) | 21 ± 19.4 | 13 ± 12.1 | 1.04 (1.02–1.06) | < 0.001 | 1.03 (1.01–1.05) | 0.003 |
ICU admission n/total (%) | 173/196 (88.3%) | 159/240 (66.2%) | 3.83 (2.30–6.39) | < 0.001 | 1.83 (1.01–3.35) | 0.048 |
Mechanical ventilation n/total (%) | 76/196 (38.8%) | 20/240 (8.3%) | 6.97 (4.06–11.97) | < 0.001 | 2.46 (1.16–5.23) | 0.019 |
Vasopressors n/total (%) | 103/195 (52.8%) | 34/240 (14.2%) | 6.78 (4.29–10.73) | < 0.001 | 2.43 (1.29–4.58) | 0.006 |
Nephrotoxic antibiotics n/total (%) | 13/158 (8.2%) | 8/191 (4.2%) | 2.05 (0.83–5.08) | 0.121 | ||
ACE-i or ARB n/total (%) | 62/158 (39.2%) | 72/191 (37.7%) | 1.04 (0.67–1.60) | 0.861 | ||
Diuretics n/total (%) | 115/158 (72.8%) | 98/191 (51.3%) | 2.54 (1.62–3.98) | < 0.001 | ||
Corticosteroids n/total (%) | 63/158 (39.9%) | 33/191 (17.3%) | 3.17 (1.94–5.19) | < 0.001 | ||
Iodinated contrast | 11/195 (5.6%) | 15/240 (6.2%) | 0.90 (0.80–0.90) | 0.790 | ||