Table 3.
Multivariate Analysis of Risk Factors for AKI in Patients with AECOPD
| Variables | OR | 95% CI | P |
|---|---|---|---|
| Age | 1.06 | 1.04–1.07 | <0.001 |
| Coronary artery disease | 1.68 | 1.28–2.20 | <0.001 |
| Chronic kidney disease | 4.35 | 3.14–6.03 | <0.001 |
| Anemia | 1.34 | 1.03–1.75 | 0.029 |
| Cancer | 1.81 | 1.13–2.91 | 0.014 |
| Acute respiratory failure | 1.44 | 1.06–1.98 | 0.022 |
| Hypercapnic encephalopathy | 1.95 | 1.12–3.38 | 0.018 |
| Mechanical ventilation | 2.23 | 1.61–3.08 | <0.001 |
Abbreviations: AKI, acute kidney injury; AECOPD, acute exacerbation of chronic obstructive pulmonary disease; OR, odds ratio; CI, confidence intervals.