Table 3.

Results of univariate analysis of covariance of liothyronine effect on memory posttest with pretest control.

Variables	Sum of squares	df	Mean square	F	P value	Eta2	Power
Verbal memory	1149.05	1	1149.05	13.95	<0.001	0.21	0.95
Visual memory	785.70	1	785.70	5.03	0.025	0.09	0.61
General memory	1744.04	1	1744.04	13.45	0.001	0.20	0.94
Attention concentration	795.05	1	795.05	5.87	0.019	0.10	0.66
Delayed recall	1662.12	1	1662.12	19.27	<0.001	0.27	0.99