Table 2.

Incidence of epileptic seizures with unknown cause in both groups.

	Epileptic	No epileptic	Total
	seizure	seizure
Phenytoin prophylaxis	2 (4.7%)*	41 (95.3%)	43
No phenytoin prophylaxis	2 (2.1%)*	94 (97.9%)	96
Total	4	135	139

^*p = 0.36.