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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: J Child Neurol. 2017 Dec;32(14):1092–1098. doi: 10.1177/0883073817737446

Table 2.

Features of infantile spasms and focal seizures

Infantile spasms (available for 1450 subjects)
 History of infantile spasms (%) 656 (45.2%)
 Median age of onset (25–75%Ile) 5.0m (3.0m–7.2m)
 Infantile spasms controlled 458 (81.2%)
 Duration for those controlled (25–75%ile) 4.0m (1.0m–12.0m)
Focal seizures (available for 1474 subjects)
 Presence of focal seizures (%) 1244 (84.4%)
 Median age of onset (25–75%Ile) 1.1y (5.2m–3.5y)
 Drug-resistance (%) 650 (59.6%)