Febrile convulsion presentations (n=63) | ||
Demographics and past history | Mean age (years) | 1.85 |
Median age (years) | 1.53 | |
Male gender | 38 (60.3%) | |
History of febrile convulsions | 8 (12.7%) | |
History of seizures (other than febrile convulsions) | 3 (4.8%) | |
History of AEFI | 4 (6.3%) | |
Chronic medical condition* | 7 (11.1%) | |
Symptoms on presentation | Fever (self-report) | 63 (100%) |
Recorded temperature ≥38°C | 57 (90%) | |
Rigors | 28 (44.4%) | |
Respiratory | 12 (19.0%) | |
Vomiting | 36 (57.1%) | |
Fatigue | 22 (34.9%) | |
Diarrhoea | 3 (4.8%) | |
Headache | 3 (4.8%) | |
Rash | 10 (15.9%) | |
Local swelling | 3 (4.8%) | |
Clinical | Admitted to hospital | 28 (44.4%)† |
Admitted to intensive care unit | 2 (3.1%) | |
Sequelae | 1 (1.6%)‡ | |
Time from vaccination to symptom onset | Median time (h) | 7.0§ |
Mean time (h) | 8.9§ | |
Onset within 12 h | 93%§ |
* Chronic medical conditions included diabetes, chronic heart, respiratory, renal, neurological and blood disease, metabolic disease and impaired immunity.
† Mean length of stay 3 days; range 1–50 days.
‡ Hypoxic ischaemic encephalopathy.
§ Data available for 57 cases.
AEFI, adverse event following immunisation.