Table 2.
Logistic regression analysis for predictors of post-contrast acute kidney injury following renal artery stent placement.
| N | Odds Ratio | Lower 95% CI | Upper 95% CI | P | |
|---|---|---|---|---|---|
| Female sex | 211 | 1.77 | 0.79 | 4.00 | 0.17 |
| Proteinuria† | 1.38 | 1.11 | 1.72 | 0.004 | |
| Creatinine | 1.12 | 0.06 | 2.10 | 0.72 | |
| eGFR | 1.01 | 0.99 | 1.03 | 0.29 | |
| CKD stage | |||||
| 1/2 | 72 | 0.65 | 0.19 | 2.21 | 0.49 |
| 3A | 153 | 1.78 | 0.48 | 6.59 | 0.97 |
| 3B | 151 | 1.46 | 0.38 | 5.56 | 0.65 |
| 4 | 57 | 0.84 | 0.14 | 5.18 | 0.25 |
| 5 | 4 | 7.67 | 0.61 | 97.4 | 0.12 |
| Statin medication | 351 | 1.03 | 0.38 | 2.82 | 0.95 |
| Antihypertensive medication | |||||
| ACEI/ARB | 385 | 3.54 | 0.47 | 26.7 | 0.22 |
| Calcium channel blocker | 350 | 1.97 | 0.58 | 6.72 | 0.28 |
| Prehydration | 165 | 0.59 | 0.27 | 1.30 | 0.19 |
| Contrast volume | 1.00 | 0.99 | 1.01 | 0.17 | |
| Total iodine mass | 1.01 | 0.99 | 1.03 | 0.15 | |
| Stent diameter | 0.90 | 0.59 | 1.40 | 0.65 | |
| Bilateral intervention | 68 | 0.44 | 0.10 | 1.89 | 0.27 |
| Current smoker | 81 | 0.99 | 0.36 | 2.73 | 0.99 |
| Diabetes | 138 | 1.93 | 0.87 | 4.30 | 0.11 |
| Coronary artery disease | 264 | 1.47 | 0.63 | 3.47 | 0.38 |
| Hypertension | 429 | 0.99 | 0.05 | 21.57 | 0.99 |
| Hyperlipidemia | 353 | 0.75 | 0.29` | 1.93 | 0.55 |
*
Odds ratios for continuous variables are all per 1 unit increase unless otherwise specified
†
per 1,000 unit increase
eGFR=estimated glomerular filtration rate; CKD=chronic kidney disease; ACEI=angiotensin-converting-enzyme inhibitor; ARB=angiotensin receptor blocker; CI=confidence interval.