Table 3 Comparison between our cases and other series reported in the literature [13]
From: Comorbidity between headache and epilepsy in a pediatric headache center
Characteristics of patients | Present study | Yamane 2003 | ||
|---|---|---|---|---|
N = 56 | χ2 | N = 23 | χ2 | |
Gender | ||||
Female | 36 | P = 0.03 | 13 | P = 0.376 |
Male | 20 | 10 | ||
Age at headache onset | ||||
<10 years | 34 | P = 0.13 | 5 | P = 0.0001 |
≥10 years | 22 | 18 | ||
Type of epilepsy | ||||
Idiopathic | 21 | P = 0.13 | 15 | P = 0.0003 |
Cryptogenic | 32 | 5 | ||
Symptomatic | 0 | 3 | ||
Seizure type | ||||
Focal | 43 | P < 0.0001 | 14 | P = 0.140 |
Generalized | 10 | 9 | ||
Family history of headache | ||||
Positive | 41 | P = 0.0005 | 12 | P = 0.546 |
Negative | 15 | 10 | ||
n.a. | 0 | 1 | ||
Family history of migraine | ||||
Positive | 37 | P = 0.02 | n.a. | n.a. |
Negative | 19 | |||
Family history of epilepsy | ||||
Positive | 22 | P = 0.11 | n.a. | n.a. |
Negative | 34 | |||
Type of headache | ||||
Migraine | 46 | P < 0.0001 | 10 | P = 0.132 |
Tension type | 10 | 4 | ||
Not classified | 0 | 9 | ||
Relationship between onset of headache and diagnosis of epilepsy | ||||
Before epilepsy | 15 | P = 0.32 | 1 | P = 0.001 |
Same age | 16 | 14 | ||
After epilepsy | 25 | 8 | ||
Temporal relationship between headache and epilepsy | ||||
Yes | 21 | P = 0.06 | 9 | P = 0.140 |
No | 35 | 14 | ||
Type of temporal relationship between headache and epilepsy | ||||
Preictal | 2 | P = 0.0002 | 2 | P = 0.157 |
Postictal | 19 | 19 | ||