Laboratory Measurements
Routine complete blood cell count and blood evaluations for determining the blood glucose, creatinine, albumin, CRP, and troponin I levels were conducted using the admission blood samples. Troponin I levels was measured every 6 hours until they peaked. The albumin and CRP levels were measured using a Roche Diagnostics Cobas 8000 c502 analyzer ((Indianapolis, USA). The CAR was calculated as the ratio of CRP to the albumin level multiplied by 100. The estimated glomerular filtration rate (eGFR) was calculated using the Cockcroft- Gault equation. Left ventricular ejection fraction (LVEF) was measured using the modified Simpson method.