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Table 1 Descriptive information for dogs with idiopathic or structural epilepsy

From: A prospective observational longitudinal study of new-onset seizures and newly diagnosed epilepsy in dogs

  Idiopathic Structural
  N % N %
Status at study end
 Alive 45 74 4 31
 Deceased 16 26 9 15
Gender
 Female 27 44 10 77
  Entire 21 78 9 90
  Neutered 6 22 1 10
 Male 34 56 3 23
  Entire 24 71 2 67
  Neutered 10 29 1 33
Seizure type
 Focal 12 20 1 8
 Focal evolving into generalized 34 56 9 69
 Primary generalized 11 18 2 15
 Unknown 4 7 1 8
Diagnostic work-up
 Magnetic resonance imaging 30 49 9 69
 Computed tomography 0 0 4 31
 Cerebrospinal fluid analysis 20 33 6 46
 Post mortem histopathology 1 2 6 46
Seizure severity
 Cluster seizures (prior to inclusion) 18 30 12 92
 Status epilepticus (prior to inclusion) 2 3 0 0
Median age at seizure onset (months)a 35 (range: 5–114) 59 (range 3–144)
Median age at inclusion (months) 43 (range: 13–119) 48 (range: 3–146)
Median months of inclusion 28 (range: 1–42) 1 (range: 0–38)
Median weight at inclusion (kg)b 23.9 (range: 2–71) 8.9 (range: 2.2–32)
Survival
 Survival time (months) 23 (range: 3–65) 2 (range: 0–49)
  1. aSeven dogs with idiopathic epilepsy and two dogs with structural epilepsy excluded, as exact date of onset was unknown
  2. bThree dogs with idiopathic epilepsy excluded from calculation, as weight at onset was unknown