Univariate analysis of risk factors for AKI within all RIFLE classes (n = 951)
| Variable . | OR . | 95% CI . | P-value . |
|---|---|---|---|
| Age | 1.01 | 1.0–1.03 | 0.02 |
| Male sex | 1.63 | 1.23–2.16 | <0.001 |
| Body mass index | 1.01 | 0.99–1.04 | 0.21 |
| Diabetes | 1.69 | 1.21–2.34 | 0.002 |
| Hypertension | 1.42 | 1.06–1.89 | 0.02 |
| Chronic lung disease | 1.33 | 0.95–1.87 | 0.10 |
| Cerebrovascular disease | 1.54 | 1.09–2.19 | 0.01 |
| Peripheral vascular disease | 1.11 | 0.66–1.85 | 0.70 |
| Baseline sCrea level | 1.83 | 1.29–2.58 | <0.001 |
| Patients with baseline sCrea >1.2 mg/dl | 1.34 | 1.01–1.77 | 0.04 |
| Patients with baseline sCrea >2.0 mg/dl | 1.96 | 1.08–3.54 | 0.03 |
| Preoperative haemoglobin | 0.74 | 0.68–0.80 | <0.001 |
| Previous cardiac surgery | 2.16 | 1.63–2.86 | <0.001 |
| Prior myocardial infarction | 1.23 | 0.82–1.85 | 0.32 |
| Left ventricular ejection fraction | 1.0 | 0.99–1.01 | 0.81 |
| PAP systolic | 1.01 | 1.0–1.02 | 0.07 |
| Isolated TV surgery | 0.72 | 0.52–1.02 | 0.06 |
| TV replacement | 1.58 | 1.18–2.11 | 0.002 |
| CPB duration | 1.01 | 1.01–1.01 | <0.001 |
| Cross-clamp time | 1.01 | 1.0–1.01 | <0.001 |
| Temperature | 0.95 | 0.90–0.99 | 0.03 |
| Aprotinin | 1.24 | 0.93–1.65 | 0.14 |
| Variable . | OR . | 95% CI . | P-value . |
|---|---|---|---|
| Age | 1.01 | 1.0–1.03 | 0.02 |
| Male sex | 1.63 | 1.23–2.16 | <0.001 |
| Body mass index | 1.01 | 0.99–1.04 | 0.21 |
| Diabetes | 1.69 | 1.21–2.34 | 0.002 |
| Hypertension | 1.42 | 1.06–1.89 | 0.02 |
| Chronic lung disease | 1.33 | 0.95–1.87 | 0.10 |
| Cerebrovascular disease | 1.54 | 1.09–2.19 | 0.01 |
| Peripheral vascular disease | 1.11 | 0.66–1.85 | 0.70 |
| Baseline sCrea level | 1.83 | 1.29–2.58 | <0.001 |
| Patients with baseline sCrea >1.2 mg/dl | 1.34 | 1.01–1.77 | 0.04 |
| Patients with baseline sCrea >2.0 mg/dl | 1.96 | 1.08–3.54 | 0.03 |
| Preoperative haemoglobin | 0.74 | 0.68–0.80 | <0.001 |
| Previous cardiac surgery | 2.16 | 1.63–2.86 | <0.001 |
| Prior myocardial infarction | 1.23 | 0.82–1.85 | 0.32 |
| Left ventricular ejection fraction | 1.0 | 0.99–1.01 | 0.81 |
| PAP systolic | 1.01 | 1.0–1.02 | 0.07 |
| Isolated TV surgery | 0.72 | 0.52–1.02 | 0.06 |
| TV replacement | 1.58 | 1.18–2.11 | 0.002 |
| CPB duration | 1.01 | 1.01–1.01 | <0.001 |
| Cross-clamp time | 1.01 | 1.0–1.01 | <0.001 |
| Temperature | 0.95 | 0.90–0.99 | 0.03 |
| Aprotinin | 1.24 | 0.93–1.65 | 0.14 |
AKI: acute kidney injury; TV: tricuspid valve; OR: odds ratio; CI: confidence interval; GFR: glomerular filtration rate; CPB: cardiopulmonary bypass.
Univariate analysis of risk factors for AKI within all RIFLE classes (n = 951)
| Variable . | OR . | 95% CI . | P-value . |
|---|---|---|---|
| Age | 1.01 | 1.0–1.03 | 0.02 |
| Male sex | 1.63 | 1.23–2.16 | <0.001 |
| Body mass index | 1.01 | 0.99–1.04 | 0.21 |
| Diabetes | 1.69 | 1.21–2.34 | 0.002 |
| Hypertension | 1.42 | 1.06–1.89 | 0.02 |
| Chronic lung disease | 1.33 | 0.95–1.87 | 0.10 |
| Cerebrovascular disease | 1.54 | 1.09–2.19 | 0.01 |
| Peripheral vascular disease | 1.11 | 0.66–1.85 | 0.70 |
| Baseline sCrea level | 1.83 | 1.29–2.58 | <0.001 |
| Patients with baseline sCrea >1.2 mg/dl | 1.34 | 1.01–1.77 | 0.04 |
| Patients with baseline sCrea >2.0 mg/dl | 1.96 | 1.08–3.54 | 0.03 |
| Preoperative haemoglobin | 0.74 | 0.68–0.80 | <0.001 |
| Previous cardiac surgery | 2.16 | 1.63–2.86 | <0.001 |
| Prior myocardial infarction | 1.23 | 0.82–1.85 | 0.32 |
| Left ventricular ejection fraction | 1.0 | 0.99–1.01 | 0.81 |
| PAP systolic | 1.01 | 1.0–1.02 | 0.07 |
| Isolated TV surgery | 0.72 | 0.52–1.02 | 0.06 |
| TV replacement | 1.58 | 1.18–2.11 | 0.002 |
| CPB duration | 1.01 | 1.01–1.01 | <0.001 |
| Cross-clamp time | 1.01 | 1.0–1.01 | <0.001 |
| Temperature | 0.95 | 0.90–0.99 | 0.03 |
| Aprotinin | 1.24 | 0.93–1.65 | 0.14 |
| Variable . | OR . | 95% CI . | P-value . |
|---|---|---|---|
| Age | 1.01 | 1.0–1.03 | 0.02 |
| Male sex | 1.63 | 1.23–2.16 | <0.001 |
| Body mass index | 1.01 | 0.99–1.04 | 0.21 |
| Diabetes | 1.69 | 1.21–2.34 | 0.002 |
| Hypertension | 1.42 | 1.06–1.89 | 0.02 |
| Chronic lung disease | 1.33 | 0.95–1.87 | 0.10 |
| Cerebrovascular disease | 1.54 | 1.09–2.19 | 0.01 |
| Peripheral vascular disease | 1.11 | 0.66–1.85 | 0.70 |
| Baseline sCrea level | 1.83 | 1.29–2.58 | <0.001 |
| Patients with baseline sCrea >1.2 mg/dl | 1.34 | 1.01–1.77 | 0.04 |
| Patients with baseline sCrea >2.0 mg/dl | 1.96 | 1.08–3.54 | 0.03 |
| Preoperative haemoglobin | 0.74 | 0.68–0.80 | <0.001 |
| Previous cardiac surgery | 2.16 | 1.63–2.86 | <0.001 |
| Prior myocardial infarction | 1.23 | 0.82–1.85 | 0.32 |
| Left ventricular ejection fraction | 1.0 | 0.99–1.01 | 0.81 |
| PAP systolic | 1.01 | 1.0–1.02 | 0.07 |
| Isolated TV surgery | 0.72 | 0.52–1.02 | 0.06 |
| TV replacement | 1.58 | 1.18–2.11 | 0.002 |
| CPB duration | 1.01 | 1.01–1.01 | <0.001 |
| Cross-clamp time | 1.01 | 1.0–1.01 | <0.001 |
| Temperature | 0.95 | 0.90–0.99 | 0.03 |
| Aprotinin | 1.24 | 0.93–1.65 | 0.14 |
AKI: acute kidney injury; TV: tricuspid valve; OR: odds ratio; CI: confidence interval; GFR: glomerular filtration rate; CPB: cardiopulmonary bypass.
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