Characteristics | OR | 95% CI | P values | |
Lower | Upper | |||
Male | 0.518 | 0.302 | 0.891 | 0.017 |
Current age, years | 0.978 | 0.956 | 1.001 | 0.057 |
Right-to-left shunt | 2.200 | 1.274 | 3.797 | 0.005 |
Duration of epilepsy, years | 0.974 | 0.945 | 1.004 | 0.085 |
Familial epilepsy | 2.828 | 0.765 | 10.453 | 0.119 |
Number of antiepileptic drugs >1 | 1.354 | 0.784 | 2.340 | 0.277 |