Evaluating Different Aspects of Prospective Memory in Amnestic and Nonamnestic Mild Cognitive Impairment

Table 1

Mean comparisons of different diagnostic groups on different PMT measures.

	Normal elderly (𝑁=132)	NaMCI (𝑁=17)	aMCI (𝑁=71)	ANOVA 𝐹
PMT Event 1	7.56^b (SD = 2.0)	6.71^b (SD = 2.3)	4.63^a (SD = 2.5)	41.44^∗∗∗
PMT Time 1	8.36^b (SD = 1.2)	7.82^b (SD = 1.6)	6.73^a (SD = 2.7)	18.43^∗∗∗
PMT Time 2	8.48^b (SD = 1.1)	8.53^b (SD =0 .7)	7.12^a (SD = 2.5)	16.33^∗∗∗
PMT Total	24. 45^b (SD = 2.8)	23.06^b (SD = 3.0)	18.52^a (SD = 5.8)	48.87***
PMT Event 1 + PMT Time 1	15.92^b (SD = 2.5)	14.53^b (SD=3.1)	11.43^a (SD = 4.0)	48.01^∗∗∗

Note. (1) Following a statistically significant test 𝐹 value post-hoc tests were conducted using Tukey’s HSD procedure. (2) Means with different alphabetic superscripts are statistically significant at 𝑃<.05 by Tukey’s HSD procedure. (3) aMCI: amnestic MCI; NaMCI: nonamnestic MCI; (4) ^∗∗∗𝑃<.001.