Abstract
Background: Deaths associated with the Acute Coronary Syndrome (ACS) remain high among Cardiac/Coronary Care Unit (CCU) and post-CCU patients. Recently, researchers have looked for inexpensive and reliable prognostic indicators as alternatives to the expensive pro-Brain Natriuretic Peptide (proBNP) in ACS patients to predict adverse outcomes.
 Methods: We retrieved the Complete Blood Count (CBC) records of ACS patients and calculated values for plateletcrit (PCT), Mean Platelet Volume (MPV), and Neutrophil-to-Lymphocyte Ratio (NLR). We also recorded ACS diagnostic methods, duration of hospital stays (CCU and post-CCU), and therapeutic modalities. We considered outcomes such as death, positive or negative troponin, ST-elevation, ejection fraction <45, and history of arrhythmia.
 Results: The multivariate model using forward stepwise logistic regression showed that the history of arrhythmia (OR=124.052, p= 0.001), positive troponin (OR=47.545, p=0.002), hospitalization period (OR=2.376, p=0.001), C-reactive protein (CRP) (OR=1.359, p=0.001), and PCT (OR=2.018, p=0.001) are independent predictors of mortality.
 Conclusion: CRP and PCT are considered independent predictors of mortality among CCU and post-CCU patients diagnosed with ACS. However, the prognostic significance of NLR and MPV needs to be confirmed by further investigations.
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