Table 2.

Average scores of ADD type and its changes in the three study groups, before and after the treatment

Group	Number	ADD †
		Pre-treatment scores	Post-treatment scores	Changes	P-value *
		Mean ± SD ‡	Mean ± SD	Mean ± SD
Ritalin ®	7	16.85 ± 3.83	4.77 ± 1.80	2.71 ± 3.30	0.073
Omega-3	4	15.50 ± 1.77	13.12 ± 2.25	2.37 ± 3.70	0.290
Placebo	9	15.11 ± 1.13	15.55 ± 2.74	-0.44 ± 2.77	0.645

^* ANOVA;

^†Attention deficit disorder;

^‡Standard deviation