Table 1.
Comparison of clinical characteristics and presumptive risk factors for contrast-induced nephropathy (CIN) for CIN (+) and CIN(-) patients.
| Characteristic | CIN(+) (n = 70) | CIN(−) (n = 563) |
|---|---|---|
| Age (yr; mean ± SD) | 54 ± 14 | 46 ± 15 |
| Female gender (%; 95% CI) | 53 (41 to 65) | 58 (53 to 62) |
| Race (%; 95% CI) | ||
| white | 53 (41 to 65) | 52 (48 to 56) |
| black | 39 (27 to 51) | 40 (36 to 44) |
| other | 9 (3 to 18) | 8 (6 to 11) |
| Presumptive risk factors (%; 95% CI) | ||
| age >70 y | 13 (6 to 23) | 7 (5 to 9) |
| anemia | 10 (4 to 20) | 13 (10 to 16) |
| congestive heart failure | 16 (8 to 26) | 6 (4 to 9) |
| diabetes | 29 (18 to 41) | 16 (13 to 19) |
| vascular diseasea | 19 (10 to 30) | 9 (7 to 12) |
| baseline renal insufficiencyb | 7 (2 to 16) | 8 (6 to 11) |
a
Defined as a patient-reported history of cerebral, coronary, renal, or peripheral vascular disease.
b
Defined as a baseline GFR <60 ml/min per 1.73 m2 using the Modification of Diet in Renal Disease (MDRD) method (26).