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. 2022 Feb 22;13(4):270–281. doi: 10.1159/000521330

Table 4.

Comparison of the examination findings in GEFS+ spectrum patients with and without SCN1A variations

Variable SCN1A-positive (n = 6) SCN1A-negative (n = 48) Test p value
Age of onset of febrile seizure, months (median, range) 15 (3–30) 12 (3–48) Z = 0.654 0.907
Age of onset of afebrile seizure, months (median, range) 24 (9–38) 29 (8–144) Z = 0.964 0.335
EEG initial abnormalities, % (n) 50 (3) 39.6 (19) χ2 = 0.240 0.678
Present focal seizures, % (n) 33.3 (2) 39.6 (19) χ2 = 0.088 1.000
EEG findings (central discharges), % (n) 33.3 (2) 31.3% (15) χ2 = 0.011 1.000

EEG, electroencephalogram; Z, Mann-Whitney U-test value; χ2, Fisher's exact test.