| Characteristic | Overall (n = 3,206) | Normal (n = 2,530) | Late CA-AK (n = 322) | Early CA-AKI (n = 354) | value |
| Age, years | 63.75 (11.02) | 63.61 (10.97) | 63.52 (10.54) | 64.89 (11.73) | 0.1148 | Age > 75, years (%) | 584 (18.22) | 441 (17.43) | 57 (17.70) | 86 (24.29) | 0.0071 | Men, n (%) | 2271 (70.84) | 1828 (72.25) | 191 (59.32) | 252 (71.19) | <0.001 | Diabetes mellitus, n (%) | 886 (27.64) | 717 (28.34) | 76 (23.60) | 93 (26.27) | 0.1673 | AMI, n (%) | 668 (20.85) | 542 (21.44) | 45 (13.98) | 81 (22.88) | 0.023 | Hypertension, n (%) | 1744 (54.40) | 1408 (55.65) | 132 (40.99) | 204 (57.63) | <0.001 | CKD, n (%) | 498 (15.53) | 342 (16.85) | 67 (8.15) | 89 (25.14) | <0.001 | CHF, n (%) | 849 (26.69) | 616 (24.49) | 111 (34.91) | 122 (35.06) | <0.0001 | CAD, n (%) | 2371 (73.98) | 1968 (77.82) | 163 (50.62) | 240 (67.80) | <0.001 | PCI, n (%) | 1599 (49.88) | 1365 (53.95) | 97 (30.12) | 137 (38.70) | <0.001 | Vascular disease, n (%) | 713 (22.25) | 595 (23.54) | 54 (16.77) | 64 (18.08) | <0.001 | Anemia, n (%) | 161 (5.06) | 115 (4.61) | 19 (5.94) | 31 (8.81) | <0.001 | CMV, ml | 163.94 (112.43) | 169.90 (112.32) | 119.10 (98.03) | 162.15 (116.40) | <0.001 | LDLC, mmol/L | 2.79 (0.96) | 2.81 (0.99) | 2.72 (0.85) | 2.78 (0.88) | 0.3550 | HDLC, mmol/L | 0.99 (0.28) | 0.99 (0.28) | 1.03 (0.31) | 0.99 (0.28) | 0.0485 | Cys-C, mg/L | 1.43 (0.81) | 1.36 (0.74) | 1.69 (0.91) | 1.95 (1.18) | <0.0001 | eGFR, ml/min/1.73 m2 | 68.74 (28.58) | 69.59 (27.83) | 66.82 (29.83) | 64.38 (32.07) | 0.0025 | Creatine kinase, U/L | 261.66 (598.67) | 92.00 (59.05, 164.50) | 82.00 (54.00, 191.25) | 96.00 (59.00, 176.30) | 0.2441 | NT-proBNP, pg/mL | 3724.79 (7141.08) | 877.50 (187.15, 3045.00) | 1359.00 (527.80, 4260.00) | 1684.00 (536.80, 5173.00) | <0.001 | 877.50 (187.15, 3045.00) | 1359.00 (527.80, 4260.00) | 1684.00 (536.80, 5173.00) | | NYHA class > 1 | 1791 (92.22) | 1373 (91.29) | 216 (94.74) | 202 (96.19) | 0.0147 | Beta-blocker use | 1839 (60.67) | 1515 (62.17) | 149 (51.20) | 175 (57.76) | <0.001 | Statin use | 2094 (69.09) | 1817 (74.56) | 108 (37.11) | 169 (55.78) | <0.001 | Diuretic use | 1300 (42.89) | 893 (36.64) | 219 (75.26) | 188 (62.05) | <0.001 | ACEI/ARB use | 1608 (53.05) | 1400 (57.45) | 93 (31.96) | 115 (37.95) | <0.001 |
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Abbreviations: AMI, acute myocardial infarction; CKD, chronic kidney disease; CHF, chronic heart failure; CAD, coronary artery disease; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; LVEF, left ventricular ejection fraction; eGFR, estimated glomerular filtration rate; BUN, blood urea nitrogen; PCI, percutaneous coronary intervention; CMV, contrast media volume; ACEI/ARB, angiotensin-converting enzyme inhibitor/angiotensin receptor blocker.
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