showed a trendP < 0.1
The models were adjusted for variables that showed a trend for significant difference ( P < 0.1) in univariable analysis, including age, sex, hypertension, diabetes mellitus, heart failure (Killip classes II-IV), ST-segment elevation, history of PCI, low-density lipoprotein cholesterol (LDL-C), creatinine, pre-PCI Thrombolysis in Myocardial Infarction (TIMI) grade flow of 0, door-to-balloon (D2B) time, culprit lesion, thrombus aspiration, use of intra-aortic balloon pump (IABP), and use of glycoprotein IIb/IIIa (GP IIb/IIIa) inhibitors and aspirin.