Table 4. Final model of logistic regression for the factors associated with acute kidney injury in intensive care unit patients of a teaching hospital.
| Variables | Odds Ratio | 95% CI |
|---|---|---|
| Age | 1.02 | 0.99–1.05 |
| Race | ||
| Non-white | 1.00 | – |
| White | 1.28 | 0.40–4.10 |
| Comorbidities | ||
| 0 | 1.00 | – |
| 1 –2 | 1.29 | 0.34–4.93 |
| >2 | 0.95 | 0.20–4.45 |
| Length of ICU staya (days) | ||
| Up to 5 days | 1.00 | – |
| From 6 to 15 | 1.64 | 0.42–6.39 |
| More than 15 | 0.24 | 0.28–2.02 |
| Number of drugs in general | 1.15 | 1.05–1.27 |
| SCr at hospital admission | 2.83 | 0.25–31.60 |
| GFR at hospital admission | 1.00 | 0.98–1.01 |
| APACHE II at admission ICU | 0.99 | 0.93–1.06 |
Notes.
Abbreviations
- AKI
- acute kidney injury
- ICU
- intensive care unit
- CI
- confidence interval
- SCr
- serum creatinine
- GFR
- glomerular filtration rate
- APACHE II
- Acute Physiology and Chronic Health Evaluation II (APACHE II)
a
Length of hospital stay prior to ICU admission was not included in this analysis.