Clonal complex distribution of lipid A variants among isolates from patients with invasive meningococcal disease.

aProportions were tested with Chi-square test or Fisher's exact tests, as appropriate, all p values are 2 sided; Significant correlations (p#Comprising 12 clonal complexes.采用适宜的卡方检验（Chi-square test）或费希尔精确检验（Fisher's exact test）对构成比进行检验，所有P值均为双侧；显著相关性均满足P<0.05，该数据集共包含12个克隆群（clonal complex）。