Table 2.

Verbal memory tests at baseline

		Converters (n = 58)	Non-converters (n = 214)	p value#
LM	Immediate recall	−1.46 ± 1.09	−0.89 ± 1.00	<0.001*
	Delayed recall	− 1.61 ± 1.11	− 0.84 ± 1.08	<0.001*
	Forgetting index	− 0.38 ± 0.47	− 0.11 ± 0.45	0.001*
VPAL		−1.48 ± 1.14	−0.74 ± 1.15	<0.001*
CVLT	Five learning trials total	−3.22 ± 1.45	−1.81 ± 1.44	<0.001*
	Long delayed recall	− 3.30 ± 1.77	− 1.64 ± 1.61	<0.001*
	Forgetting index	− 0.11 ± 0.65	0.06 ± 0.44	0.142
DS	Forward	0.40 ± 1.63	0.41 ± 1.27	0.837
	Backwards	0.05 ± 1.30	0.30 ± 1.15	0.084

Data are mean ± SD.

Means of Z scores, calculated according to the equation [z = (x − mean)/SD].

^#Mann-Whitney test.

^*Statistically significant (p < 0.05).