Table 4.
Sensitivity analyses for assessment of risk factors for dialysis-requiring acute renal failure
| Multivariablea odds ratio (95% confidence interval) | |||
|---|---|---|---|
| After excluding those with outpatient estimated GFR>1 year before hospitalization | After excluding those with outpatient estimated GFR>1 year or <30 days before hospitalization | Among subset of subjects with 1 outpatient estimated GFR measured 1–12 months before hospitalization and who had a prior estimated GFR in the same stage | |
| Baseline estimated GFR (ml per min per 1.73 m2) | |||
| ≥60 | Reference | Reference | Reference |
| 45–59 | 2.13 (1.79–2.54) | 1.96 (1.53–2.51) | 2.03 (1.43–2.90) |
| 30–44 | 6.80 (5.73–8.07) | 6.57 (5.10–8.47) | 8.48 (6.12–11.74) |
| 15–29 | 28.99 (24.72–34.00) | 30.44 (23.70–39.11) | 42.63 (31.46–57.76) |
| <15 | 40.03 (33.46–47.90) | 80.37 (58.47–110.46) | 107.12 (73.18–156.84) |
| Diabetes mellitus | 2.06 (1.85–2.30) | 2.08 (1.75–2.47) | 1.88 (1.52–2.33) |
| Diagnosed hypertension | 1.37 (1.21–1.55) | 1.52 (1.25–1.86) | 1.21 (0.95–1.56) |
| Documented proteinuria | 2.77 (2.46–3.11) | 2.89 (2.41–3.47) | 2.22 (1.76–2.81) |
GFR, glomerular filtration rate.
a
Adjusted for all variables shown and also age, sex, and race/ethnicity.