No sequelae (25 infants) | Moderate sequelae (25 infants) | Severe sequelae (11 infants) | |
---|---|---|---|
Normal | 70 (25) | 39 (20) | 25 (10) |
Dysmature | |||
Prolonged IBI | 0 | 4 (3) | 1 (1) |
Abnormal pattern* | 3 (3) | 20 (12) | 18 (8) |
Disorganised | 0 | 10 (9) | 3 (3) |
Seizures | 0 | 1 (1) | 1 (1) |
Other abnormal features | |||
PRS | 0 | 0 | 2 (2) |
Others† | 0 | 4 (4) | 9 (4) |
Number of EEGs followed by number of infants in brackets. Several abnormalities were frequently found in the same recording.
↵* Reduction or absence of patterns expected at a given gestational age, or persistence in older infants of premature features.
↵† Transient and repetitive θ sharp or slow waves, and brief rhythmic discharge.
IBI, interburst interval; PRS, positive rolandic sharp waves.