Characteristics of study groups.

<p>Data are presented as median (IQR) unless stated otherwise.</p><p>*Blood analysis results at presentation.</p><p>^†p <0.05,</p><p>^‡p <0.01, and</p><p>^§p <0.001 for comparisons between febrile seizures and controls.</p><p>^¶p <0.05,</p><p>^**p <0.01, and</p><p>^††p <0.001 for comparisons between febrile and epileptic seizures.</p><p>Between-group comparisons were performed with Mann-Whitney U, chi square or Fisher's exact test as appropriate. ED: emergency department; URTI: upper respiratory tract infection; LRTI: lower respiratory tract infection; UTI: urinary tract infection.</p><p>Characteristics of study groups.