Table 5. Effect of discontinue prophylactic anticonvulsant on late seizure
	No late seizure	Late seizure	P 	OR	95% CI	
Volume >30 CC						
≤3 months	6	2		0.75	0.09–5.76	
  >3 months	12	3	1	1		
Cortex						
≤3 months 	22	4		3.05	0.81–11.3	
  >3 months	18	10	0.12	1		
Operation						
≤3 months	20	3		2	0.43–9.12	
  >3 months	20	6	0.47	1