Table 3.
Full multivariate models for Stage I and II AKI
| Multivariable-adjusted RR (95% CI) | Stage I AKI | Stage II AKI |
|---|---|---|
| UACR | ||
| <10 mg/g | 1 | 1 |
| 10–29 | 1.35 (1.07, 1.66) | 1.44 (0.7, 2.91) |
| 30–299 | 1.64 (1.33, 1.97) | 1.94 (0.95, 3.86) |
| ≥300 | 2.21 (1.66, 2.73) | 2.59 (0.93, 6.58) |
| Age (per year) | 1.003 (0.993, 1.013) | 0.993 (0.964, 1.024) |
| Female | 0.75 (0.60, 0.92) | 0.91 (0.52, 1.6) |
| White | 1.1 (0.76, 1.49) | 0.98 (0.36, 2.48) |
| eGFR (per ml/min per 1.73 m2) | 0.993 (0.988, 0.998) | 0.995 (0.981, 1.009) |
| Diabetes | 1.16 (0.96, 1.37) | 1.10 (0.63, 1.92) |
| Elective | 0.60 (0.46, 0.76) | 0.55 (0.29, 1.05) |
| Hypertension | 1.20 (0.94, 1.48) | 1.70 (0.75, 3.70) |
| Chronic heart failure | 1.28 (1.04, 1.53) | 1.59 (0.86, 2.88) |
| Cardiac catheterization in past 48 hours | 1.00 (0.99, 1.01) | 1.00 (1.00, 1.00) |
| Myocardial Infarction | 0.95 (0.76, 1.16) | 1.14 (0.61, 2.1) |
| Type of Surgery | ||
| Valve | 1 | 1 |
| CABG | 0.86 (0.66, 1.09) | 0.60 (0.28, 1.27) |
| CABG & Valve | 1.11 (0.88, 1.34) | 1.52 (0.78, 2.87) |
Abbreviations: AKI – acute kidney injury, UACR- urine albumin to creatinine ratio, CABG- coronary artery bypass grafting, eGFR- estimated glomerular filtration rate, SD-standard deviation.