Table 4.

The logistic regression analysis for risk factors of refractory epilepsy in newly diagnosed epilepsy.

	Variables	p-value	OR	95% CI
				Lower	Upper
Before adjusted by scales	Breakthrough seizures during the first expected interictal interval	<0.001	5.66	3.05	10.51
	Higher seizure frequency (increased every 5 times/month)	0.033	1.20	1.02	1.41
After adjusted by scales	Breakthrough seizures during the first expected interictal interval	<0.001	5.53	2.57	11.92
	Higher seizure frequency (increased every 5 times/month)	0.033	1.22	1.02	1.46
	Male gender	0.010	2.66	1.26	5.62
	Younger age of onset (decrease of every 10 years)	0.003	1.42	1.12	1.79