Baseline Characteristics*
| Characteristics | LDL-C <1.8 mmol/L (n=207) | LDL-C ≥1.8 mmol/L (n=344) | P value |
| Age, years | 70.58±11.05 | 61.45±11.76 | <0.001 |
| Gender, female (%) | 66 (31.88) | 155 (45.06) | 0.002 |
| ACS, n (%) | 142 (68.60) | 129 (37.50) | <0.001 |
| APS III | 47.68±19.72 | 51.18±17.07 | 0.028 |
| SAPS II | 40.14±13.08 | 39.82±10.91 | 0.761 |
| MCS, n (%) | 83 (40.10) | 80 (23.26) | <0.001 |
| IABP, n (%) | 82 (39.61) | 80 (23.26) | <0.001 |
| ECMO, n (%) | 3 (1.45) | 0 (0.00) | 0.025 |
| Maximum lactate, mmol/L | 4.83±4.41 | 3.10±2.61 | <0.001 |
| Maximum creatinine, mg/dL | 2.13±1.67 | 1.60±0.89 | <0.001 |
| Maximum bilirubin, mg/dL | 0.91±1.21 | 1.36±1.21 | <0.001 |
| Maximum INR | 2.13±1.74 | 1.83±1.19 | 0.017 |
| Mean heart rate, beats/minute | 85.51±14.29 | 92.05±15.11 | <0.001 |
| Mean of mean BP, mm Hg | 72.55±8.54 | 76.30±7.38 | <0.001 |
| Urine output first day, mL | 1712.67±1261.28 | 1773.21±1083.08 | 0.564 |
| LDL-C, mmol/L | 1.11±0.38 | 2.30±0.67 | <0.001 |
| Mechanical ventilation, n (%) | 92 (44.44) | 170 (49.42) | 0.258 |
| RRT, n (%) | 2 (0.97) | 5 (1.45) | 0.621 |
| Milrinone, n (%) | 37 (17.87) | 23 (6.69) | <0.001 |
| Dobutamine, n (%) | 40 (19.32) | 134 (38.95) | <0.001 |
| Dopamine, n (%) | 72 (34.78) | 80 (23.26) | 0.003 |
| Epinephrine, n (%) | 15 (7.25) | 14 (4.07) | 0.106 |
| Norepinephrine, n (%) | 63 (30.43) | 126 (36.63) | 0.138 |
| Phenylephrine, n (%) | 48 (23.19) | 106 (30.81) | 0.053 |
| Vasopressin, n (%) | 21 (10.14) | 13 (3.78) | 0.003 |
| In-hospital mortality, n (%) | 76 (36.71) | 39 (11.34) | <0.001 |
| 28-day mortality, n (%) | 70 (33.82) | 36 (10.47) | <0.001 |
*plus–minus values are means±SD.
ACS, acute coronary syndrome; APS III, Acute Physiology Score III; BP, blood pressure; ECMO, extracorporeal membrane oxygenation; IABP, intra-aortic balloon pump; INR, international normalised ratio; LDL-C, Low-density lipoprotein cholesterol; MCS, mechanical circulatory support; RRT, renal replacement therapy; SAPS II, Simplified Acute Physiology Score II.