Table 1.

Patient Characteristics (N = 44).^a

Characteristic	Febrile Convulsions and COVID-19 (U07.1) Diagnosed Pediatric Subjects
Age, y median (25th, 75th %ile)	1.5 (1, 2)
Sex
Male	22 (50)
Female	22 (50)
Race
American Indian or Alaska Native	1 (2.3)
Asian	2 (4.5)
Black or African American	6 (13.6)
White	12 (27.3)
Unknown	23 (52.3)
Ethnicity
Hispanic or Latino	13 (29.5)
Not Hispanic or Latino	24 (54.5)
Unknown	7 (15.9)
Number of deaths	0 (0.0)
Type of febrile convulsion
Simple	30 (68.2)
Complex	14 (31.8)
Maximum temperature, °C, median (25th, 75th %ile) b	39 (38.0,39.4)
Encounter type c
Ambulatory	2 (4.5)
Emergency	15 (34.1)
Inpatient	6 (13.6)
Unknown	29 (65.9)
Presence of selected non-neurologic categories at time of febrile convulsion d
Diseases of the circulatory system	1 (2.3)
Diseases of the respiratory system	6 (13.6)
Mental, behavioral, and neurodevelopmental disorders	2 (4.5)
Sepsis	3 (6.8)
Status epilepticus	3 (6.8)
Specific reported viral testing and presence
Adenovirus	0 (0.0)
Herpes simplex virus	0 (0.0)
Human coronavirus (non–COVID-19)	0 (0.0)
Human metapneumovirus	0 (0.0)
Parainfluenza	0 (0.0)
Respiratory syncytial virus	0 (0.0)
Rhinovirus/enterovirus	0 (0.0)
Other selected potential fever-producing infectious diseases reported via diagnostic codes at time of febrile convulsion d
Enterovirus	1 (2.3)
Otitis media	4 (9.1)
Pneumonia	1 (2.3)
Unspecified viral	7 (15.9)
Urinary tract infection	3 (6.8)

^a Unless otherwise noted, values are n (%).

^b Temperature available for 11 unique subjects.

^c Seven subjects had more than 1 encounter listed. Two subjects did not have an encounter reported on day of febrile seizure and COVID-19 diagnosis.

^d See Supplementary Table 1 for diagnosis details.