Table 3. Clinical characteristics of febrile seizure with COVID-19 in omicron periods.

Variables		COVID-19 positive (n = 61)	COVID-19 negative (n = 36)	P value
Median age, mon		33.0 (22.0–60.0)	23.0 (14.5–31.5)	0.003**
Female sex		29 (47.5)	12 (33.3)	0.171
Initial mental status in ED				0.416
	Alert	59 (96.8)	33 (91.7)
	Verbal	1 (1.6)	0 (0)
	Painful	1 (1.6)	2 (5.5)
	Unresponsive	0 (0)	1 (2.8)
Peak body temperature, °C		39.1 (38.6–39.6)	38.6 (38.3–39.3)	0.030*
Total seizure time		5.0 (1.2–8.0)	3.5 (1.0–5.0)	0.793
Seizure duration ≥ 15 min		4 (6.6)	5 (13.9)	0.285
Multiple seizure episode		12 (19.7)	6 (16.7)	0.713
Form				0.716
	GTC/tonic/clonic	55 (90.2)	32 (88.9)
	Atonic	3 (4.9)	2 (5.5)
	Focal	3 (4.9)	1 (2.8)
	Other or unknown	0 (0)	1 (2.8)
Seizure diagnosis				0.242
	Simple febrile seizure	35 (57.4)	24 (66.7)
	Complex febrile seizure	25 (41.0)	10 (27.8)
	Febrile status epilepticus	1 (1.6)	2 (5.5)
ED outcome				0.050
	Discharge	56 (91.8)	28 (77.8)
	Hospitalization/transfer	5 (8.2)	8 (22.2)
Length of hospital stay, day		2.0 (2.0–5.0)	4.0 (3.0–5.5)	0.254

Values are expressed as medians (interquartile rages) or numbers (%).

COVID-19 = coronavirus disease 2019, ED = emergency department, GTC = generalized tonic-clonic.

^*P < 0.05, ^**P < 0.01.