text_1: Bacterial meningitis can be diagnosed on the basis of positive cerebrospinal fluid (CSF) cultures.
text_2: DATA SOURCES We searched the Cochrane Library, MEDLINE (using Ovid and PubMed) from 1966 to January 2006 and EMBASE from 1980 to January 2006 without language restrictions to identify relevant studies and identified others from the bibliographies of retrieved articles.