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This study was designed to prospectively determine, in patients with an acute coronary syndrome, whether the inflammatory marker, C-reactive protein (CRP), measured at hospital admission, discharge, and 1 month later has incremental value to predict outcomes at 1 year.

The clinical utility of CRP measurements in patients with acute coronary syndromes remains uncertain. Limitations of previous studies have been retrospective design and incomplete adjustment for readily available clinical prognosticators.

The CRP marker was measured at admission, hospital discharge, and 1 month later in consecutive patients hospitalized for acute coronary syndromes in 8 tertiary and secondary hospitals. The primary outcome was a composite of death, nonfatal myocardial infarction (MI), and unstable angina (UA) with electrocardiogram (ECG) changes at 1 year.

A total of 1,210 patients …