[Diagnostic usefulness of procalcitonin and C-reactive protein in the Emergency Department for predicting bacterial meningitis in the elderly].

Objetives: To analyse and compare procalcitonin (PCT) and C-reactive protein (CRP) as tools for detecting bacterial meningitis (BM) in the elderly (>74 years of age).

Methods: A prospective, observational, descriptive, analytical study of 220 consecutive patients aged ≥1year and diagnosed with acute meningitis in an emergency department between September 2009 and July 2014.

Results: A total of 220 patients (136 [62%] male) were studied.