Table 1.
Baseline characteristics.
| Characteristic | CIN (n=29) | Non-CIN (n=271) | P-value |
|---|---|---|---|
| Age (years) | 65.63±10.43 | 62.18±8.96 | 0.048* |
| Female (%, n) | 69.0 (20) | 37.3 (101) | 0.037* |
| BMI (kg/m2) | 23.45±2.79 | 22.97±2.56 | 0.191 |
| Hypertension (%, n) | 48.3 (14) | 47.2 (128) | 0.536 |
| Diabetes mellitus (%, n) | 34.5 (10) | 35.8 (97) | 0.547 |
| Tobacco use (%, n) | 31.0 (9) | 37.3 (101) | 0.404 |
| LVEF (≤50%) | 13.8 (4) | 12.9 (35) | 0.543 |
| Medication history | |||
| ACEI/ARB (%, n) | 37.9 (11) | 31.4 (85) | 0.368 |
| β-blocker (%, n) | 17.2 (5) | 18.8 (51) | 0.548 |
| CCB (%, n) | 20.7 (6) | 18.5 (50) | 0.483 |
| Statins (%, n) | 62.1 (18) | 74.2 (201) | 0.342 |
| Baseline renal function | |||
| sCr (μmol/L) | 77.17±13.72 | 80.84±10.45 | 0.086 |
| eGFR (mL/min/1.73 m2) | 92.91±5.67 | 91.29±6.54 | 0.079 |
| Cys C (mg/L) | 1.28±0.23 | 1.23±0.19 | 0.133 |
| Infusion dose of CM (mL) | 101.85±11.38 | 97.86±10.94 | 0.040* |
| Operation time (min) | 40.34±5.87 | 42.06±4.99 | 0.069 |
BMI – body mass index; LVEF – left ventricular ejection fraction; ACEI – angiotensin-converting enzyme inhibitors; ARB – angiotensin receptor blocker; CCB – calcium channel blockers; sCr – serum creatinine; eGFR – estimated glomerular filtration rate; Cys C – cystatin C; CM – contrast medium.