Table 1.

Characteristics of patients by treatment group at baseline

Characteristics	Sodium valproate N = 38	Sodium valproate plus fish oil N = 29	P-value
Age (years)	34.6 (9.5)	36.3 (9.6)	0.518
Male/female	8/30	7/22	0.429
Severity of migraine headache	7.6 ± 1.8	7.9 ± 1.9	0.092
Duration of migraine headache	13.3 ± 13.2	16.7 ± 17.6	0.891
Frequency of migraine headache	15.4 ± 16.0	13.7 ± 15.1	0.06