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Scand J Infect Dis. 1989;21(5):543-9.

The value of C-reactive protein as a marker of bacterial infection in patients with septicaemia/endocarditis and influenza.

Author information

1
Department of Infectious Diseases, Roslagstull Hospital, Karolinska Institute, Stockholm, Sweden.

Abstract

In order to evaluate the capacity of C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), white blood cell count (WBC) and polymorphonuclear neutrophils (PMNs) to differentiate between bacterial and viral infection we studied 176 patients with septicaemia/endocarditis (SE), 59 patients with uncomplicated influenza (UI) and 22 patients with complicated influenza (CI) retrospectively. All 4 parameters were significantly more elevated in SE and CI than in UI. Among patients with SE 10 176 had a CRP value less than 50 mg/l and in patients with UI 5/56 had a CRP value greater than 100 mg/l. Patients with SE caused by pneumococci had the highest CRP levels and patients with alfa-haemolytic streptococci the lowest. The sensitivity and specificity favours the use of CRP as an indicator of bacterial superinfection in influenza.

PMID:
2587955
[Indexed for MEDLINE]

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