Characteristics and results of the studies reporting the prevalence of BM in young children with a first seizure in the context of fever.

BM, bacterial meningitis; CNS, central nervous system; HSV, herpes simplex virus; FS, febrile seizure; ED, emergency department; NS, not specified.aChildren were enrolled during pre-vaccine era.bOne patient was under six months of age.cRange.dMean.eMedian.fOnly children with an apparent first simple FS were included in the analysis.gOf the 2 BM cases (7 and 13 months old) 1 had a normal CSF after routine lumbar puncture (LP) but a repeated LP 24 hours later showed BM.hThe number represent the median age of the patients (n = 47) with an apparent simple FS included in the study.iChildren were enrolled during both pre and post-vaccine eras.jChildren were enrolled during post-vaccine era.kOnly consecutive, unselected children were included in the analysis.

BM（细菌性脑膜炎，bacterial meningitis）；CNS（中枢神经系统，central nervous system）；HSV（单纯疱疹病毒，herpes simplex virus）；FS（发热性惊厥，febrile seizure）；ED（急诊科，emergency department）；NS（未明确，not specified）。
a. 研究纳入的儿童来自疫苗接种前时代。
b. 1例患者年龄不足6个月。
c. 为年龄范围。
d. 为均值。
e. 为中位数。
f. 本分析仅纳入表现为首次单纯性发热性惊厥的儿童。
g. 在2例细菌性脑膜炎患者（年龄分别为7个月和13个月）中，1例患者的常规腰椎穿刺术（lumbar puncture，LP）脑脊液结果正常，但24小时后重复腰椎穿刺术确诊为细菌性脑膜炎。
h. 该数值为纳入本研究的47例表现为单纯性发热性惊厥患者的年龄中位数。
i. 研究纳入的儿童覆盖疫苗接种前与疫苗接种后两个时代。
j. 研究纳入的儿童来自疫苗接种后时代。
k. 本分析仅纳入连续、未经选择的患儿。