Groups n gender Age (days) Median age (days) WBC2 in CSF3 pathogen A 29 21M/8F 3-30 19 >20×109/L Bacteria4 B 19 16M1/3F 4-29 20 >20×109/L Bacteria4

Table 1: The information of the patients and the grouping; 1:The five death are all male. 2: WBC--white blood cell; 3: CSF--cerebrospinal fluid; 4: E.coli, group B streptococci, and Staphylococci were detected