TABLE 1

General Characteristics of Included Children

Training CohortValidation Cohort
AllEpilepsyNo EpilepsyAllEpilepsyNo Epilepsy
No. children (%)451137 (30)314 (70)18784 (45)103 (55)
Male sex, no. (%)256 (57)85 (62)171 (54)94 (50)45 (54)49 (48)
Age in y, median (IQR)5.9 (2.6–9.8)7.3 (4.3–10.5)4.9 (2.2–9.5)7.8 (3.3–11.9)9.6 (4.3–13.2)6.2 (2.8–10.7)
Age at first event in y, median (IQR)4.6 (1.7–8.7)7.0 (3.6–10.6)3.4 (1.3–8.1)5.1 (2.2–11.2)8.1 (3.4–12.1)3.5 (1.8–10.0)
Total No. events, median (IQR)2 (1–5)2 (2–6)2 (1–5)4 (2–20)3 (2–13)6 (2–24)
Seizure history (no; yes; febrile seizures)365; 38; 4899; 19; 19266; 19; 29169; 4; 1472; 1; 1197; 3; 3
Delayed development, no. (%)108 (24)40 (29)68 (22)23 (12)9 (11)14 (14)
Medical history, no. (%)
 Normal336 (75)90 (66)246 (78)159 (85)74 (89)85 (83)
 Neurologic53 (12)28 (20)25 (8)5 (3)2 (2)3 (3)
 Psychiatric41 (9)9 (7)32 (10)21 (11)7 (8)14 (14)
 Metabolic or genetic syndrome21 (5)10 (7)11 (4)1 (1)01 (1)
Family history, no. (%)
 Normal298 (66)91 (66)207 (66)140 (77)57 (70)83 (82)
 Epilepsy74 (16)21 (15)53 (17)27 (15)17 (21)10 (10)
 Migraine33 (7)8 (6)25 (8)9 (5)4 (5)5 (5)
 Febrile seizures27 (6)8 (6)19 (6)6 (3)3 (4)3 (3)
 Other19 (4)9 (7)10 (3)1 (1)1 (1)0
  • Values are expressed as mean ± SD unless otherwise indicated. Baseline data are based on the nonimputed data. IQR, interquartile range.