Table 4.
Incidence of CN for each prophylactic treatment stratified by definitions of CN
| Definition of Contrast Nephropathy
|
||||
|---|---|---|---|---|
| Creatinine Increase >0.5 mg/dl or ≥25% within 7 d | Creatinine Increase >0.5 mg/dl within 7 d | Creatinine Increase ≥25% within 7 d | Creatinine Increase >0.5 mg/dl or ≥25% within 2 da | |
| No treatment | 11% | 3% | 11% | 7% |
| Sodium bicarbonate + NAC | 15% | 8% | 15% | 12% |
| NAC alone | 15% | 8% | 15% | 15% |
| Sodium bicarbonate alone | 31% | 16% | 30% | 35% |
a
Maximum postcontrast creatinine was available within 2 d of contrast exposure in 10,422 cases.