Table 5.

Differences between Aβ lateralization and cognitive test performance in the MCI-Aβ + group.

	Left-lateralized (n = 9)	Right-lateralized (n = 12)	Group difference (Two-Sided p)
MMSE	M = 26.67, SD = 1.803	M = 26.33 SD = 1.497	t = 0.463, p = 0.649
RAVLT – Immediate Recall	M = 32.56, SD = 10.93	M = 29.08, SD = 9.130	t = 0.793, p = 0.438
RAVLT – Delayed Recall	M = 3.56, SD = 4.275	M = 4.25, SD = 2.563	t = -0.464, p = 0.648
RAVLT – Recognition	M = 12.22, SD = 2.863	M = 11.92 SD = 2.575	t = 0.257, p = 0.800
Trail Making A	M = 52.61, SD = 19.70	M = 49.82, SD = 9.625	t = 0.425, p = 0.675
Trail Making B	M = 176.06, SD = 125.77	M = 166.14, SD = 84.51	t = 0.217, p = 0.831
Stroop – Words	M = 70.67, SD = 12.845	M = 76.95, SD = 12.60	t = -1.122, p = 0.276
Stroop – Colours	M = 50.22, SD = 11.53	M = 52.98, SD = 8.271	t = -0.639, p = 0.530
Stroop – Interference	M = 21.00, SD = 13.65	M = 21.17, SD = 8.077	t = -0.035, p = 0.972
Digit Span – Forwards	M = 8.44 SD = 2.007	M = 7.75, SD = 1.815	t = 0.830, p = 0.417
Digit Span – Backwards	M = 6.00, SD = 1.000	M = 7.08, SD = 1.676	t = -1.717, p = 0.102
Digit Span – Ranking	M = 5.67, SD = 2.500	M = 5.58, SD = 1.730	t = 0.090, p = 0.929
Verbal Fluency – Category	M = 16.67, SD = 4.924	M = 18.00, SD = 4.328	t = -0.659, p = 0.518
Verbal Fluency – Phonemic	M = 12.78, SD = 5.403	M = 12.58, SD = 3.655	t = 0.099, p = 0.923
Block Designs	M = 33.44, SD = 11.77	M = 31.25, SD = 13.23	t = 0.393, p = 0.698
Boston Naming	M = 24.00, SD = 4.387	M = 25.88, SD = 2.468	t = -1.251, p = 0.226
Similarities	M = 19.38, SD = 4.357	M = 18.50, SD = 5.143	t = 0.412, p = 0.685

M = Mean, SD = standard deviation.