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Table 1 Clinical data at the time of diagnosis for dogs with epilepsy, idiopathic, and structural epilepsy

From: Retrospective epidemiological study of canine epilepsy in Japan using the International Veterinary Epilepsy Task Force classification 2015 (2003–2013): etiological distribution, risk factors, survival time, and lifespan

Variables

Number of dogs

Epilepsy (n = 358)

IdE (n = 172)

StE (n = 76)

Gender

 Male [Neuter]

193 (54 %) [71 (20 %)]

97 (56 %) [37 (22 %)]

34 (45 %) [14 (18 %)]

 Female [Neuter]

165 (46 %) [79 (22 %)]

75 (44 %) [41 (24 %)]

42 (55 %) [16 (21 %)]

Body weight (kg)

 Median

6.0

6.2

5.9

 Range

1.0–54.0

1.3–37.8

1.0–39.5

Age at initial seizure onset (years)

 Median

3.6

2.5

5.5

 Range

0.1–14.4

0.5–6.8

0.2–13.9

Neurological

 Normal or unremarkable

117 (33 %)

170 (99 %)

24 (33 %)

 Deficits

241 (67 %)

2 (1 %)

52 (67 %)

Seizure frequency at first presentation (sz/month)

 Median

2.0

1.2

4.0*

 Range

0.1–37.0

0.1–37.0

0.1–30.0

Seizure type

 FES

93 (26 %)

52 (30 %)*

10 (13 %)

 GES

190 (53 %)

78 (46 %)

56 (74 %)*

 FEvG

75 (21 %)

42 (24 %)

10 (13 %)

Specific seizure pattern

 CS

141 (39 %)

53 (31 %)

42 (54 %)*

 SE

71 (20 %)

31 (18 %)

22 (29 %)

AEDs used at first presentation

 None

180 (51 %)

99 (58 %)

28 (37 %)

 Monotherapy

137 (38 %)

55 (32 %)

38 (50 %)

 Polytherapy

41 (11 %)

18 (10 %)

10 (13 %)

Using other treatment

 No

281 (78 %)

159 (92 %)

30 (41 %)

 Yes

77 (22 %)

13 (8 %)

46 (59 %)

  1. IdE idiopathic epilepsy, StE structural epilepsy, MR magnetic resonance, sz seizure, FES focal epileptic seizure, GES generalized epileptic seizure, FEvG focal epileptic seizure evolving into generalized seizures, CS cluster seizures, SE status epilepticus, AED antiepileptic drug. *P < 0.05 (chi-squared test)