Table 1 Demographic, clinical and EEG characteristics
Variable | ||||||
|---|---|---|---|---|---|---|
Gender | Male | 77 | (61.60%) | |||
Female | 48 | (38.40%) | ||||
Age (Mean ± SD, year) | 5.24 ± 3.44 ( overall range: 0.1–14.6) | |||||
Fever | No | 21 | (16.80%) | |||
Yes | 104 | (83.20%) | ||||
Consciousness | Normal | 116 | (92.80%) | |||
Abnormal | 9 | (7.20%) | ||||
Glasgow Coma Scale score | 10.5 | (7.25,14.5) | N = 4 | |||
Brain image | Normal | 40 | (78.43%) | N = 51 | ||
Abnormal | 11 | (21.57%) | N = 51 | |||
Diagnosis | Epilepsy | 23a | (18.40%) | |||
Febrile seizures | 51 | (40.80%) | ||||
Complex febrile seizures | 29 | (23.20%) | ||||
Febrile seizures plus | 4 | (3.20%) | ||||
Epileptic seizures | 7 | (5.60%) | ||||
Encephalitisb/encephalopathy | 4 | (3.20%) | ||||
Others | 7 | (5.60%) | ||||
Clinical seizure | None | 3 | (2.40%) | |||
Once | 81 | (64.80%) | ||||
Twice | 19 | (15.20%) | ||||
More than twice | 22 | (17.60%) | ||||
Form of seizure | Generalized clinical | 112 | (91.80%) | N = 122 | ||
Focal clinical | 10 | (8.20%) | N = 122 | |||
Presence of status epilepticus | 6 | (4.80%) | ||||
Seizure frequency compared to previous | No prior seizures | 66 | (52.80%) | |||
Increase | 16 | (12.80%) | ||||
Same as before | 25 | (20.00%) | ||||
Decrease | 0 | (0.00%) | ||||
Unknown | 18 | (14.40%) | ||||
History of neurological illness | None | 68 | (54.40%) | |||
Febrile seizures | 35 | (28.00%) | ||||
Epilepsy | 15 | (12.00%) | ||||
Others | 7 | (5.60%) | ||||
Prior family history of seizures | None | 115 | (92.00%) | |||
Yes | 10 | (8.00%) | ||||
Antiseizure medicine before EEG | None | 100 | (80.00%) | |||
Yes | 25 | (20.00%) | ||||
Interval time between EEG and last seizure (median [IQR], day) | 3 | (1,8) | ||||
Hospitalization | None | 98 | (78.40%) | |||
Yes | 27 | (21.60%) | ||||
Department | Outpatient | 98 | (78.40%) | |||
Neurology department | 15 | (12.00%) | ||||
ICU | 4 | (3.20%) | ||||
Infection department | 1 | (0.80%) | ||||
Transition ward | 3 | (2.40%) | ||||
Other departments | 4 | (3.20%) | ||||
Total length of stay (median [IQR], day) | 7 | (5,11) | ||||
Outcome at discharge | Recovery | 122 | (97.60%) | |||
Neurological sequalae | 3 | (2.40%) | ||||
EEG | Normal | 86 | (68.80%) | |||
Abnormal | 39 | (31.20%) | ||||
Background abnormalities | 16 | (41.03%) | N = 39 | |||
Background slowing | 11 | (28.21%) | N = 39 | |||
Focal slowing | 5 | (12.82%) | N = 39 | |||
Abnormal discharges | 17 | (43.59%) | N = 39 | |||
Background abnormalities + abnormal discharges | 6 | (15.38%) | N = 39 | |||