Participant inclusion, RT-PCR, and culture results flow diagram. Following exclusion of patients not meeting inclusion criteria and specimens that were unavailable for RT-PCR testing, the RT-PCR and culture results were analyzed for 451 specimens. Abbreviations: CMH, Couto Maia Hospital; CSF, cerebrospinal fluid; RT-PCR, real-time polymerase chain reaction; GS, Gram stain; GPDC, gram-positive diplococci; GNDC, gram-negative diplococci; GNCB, gram-negative pleomorphic coccobacilli.
Wu et al. BMC Infectious Diseases 2013 13:26 doi:10.1186/1471-2334-13-26