Table 2.

Mean and standard deviation of the WMS-R and the results of paired t-test in both groups.

Variables	Liothyronine			Placebo
	Pretest	Posttest	P value	Pretest	Posttest	P value
Verbal memory	67.53	75.63	0.001	65.43	63.83	0.15
Visual memory	80.70	81.66	0.74	73.10	67.36	0.005
General memory	68.46	74.20	0.005	61.73	57.76	0.21
Attention/concentration	92.06	94.90	0.33	86.73	82.56	0.01
Delayed recall	72.03	76.06	0.066	64.43	60.40	0.02