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High-sensitivity C-reaction protein (hsCRP) levels are correlated with risk of vascular disease. The clinical implications of markedly elevated hsCRP levels in the setting of acute stroke are less understood.

To determine the association of very high admission hsCRP levels (≥ 10 mg/L) on all-cause mortality in patients with acute stroke.

A retrospective cohort study of 1176 patients hospitalized with acute stroke between 2005 and 2012 who had a hsCRP assay drawn within seven days of admission. Mortality data was obtained using Ohio Death Index. Cox proportional analysis was used to determine hazard ratios of death among patients with hsCRP values > 10 mg/L after adjusting for age, sex, race and relevant co-morbid conditions. NIHSS was also adjusted in a subset of patients in whom it was available (n = 378).

Patients with hsCRP > 10 mg/L had 2.65 (95% CI: 1.99, 3.53) increased …