Table 6: Normalized scores of Savonix 11 subtests and total scores for 265 neuronormal, 28 MCI, and 21 AD subjects.
M: mean values. SD: standard deviations. P value: p values for one-way Kruskal-Wallis Chi-squared.
| | Normal (N=265) | MCI (N=28) | AD (N=21) | P value |
Subtest | Feature for scoring | M | SD | M | SD | M | SD | |
Immediate Verbal Learning | Incorrect response rate | 0.85 | 0.11 | 0.76 | 0.15 | 0.61 | 0.21 | < 0.0001 |
Delayed Verbal Learning | I.ncorrect response rate | 0.76 | 0.14 | 0.62 | 0.19 | 0.49 | 0.26 | < 0.0001 |
Verbal Interference 1 | | 0.85 | 0.12 | 0.84 | 0.11 | 0.81 | 0.21 | 0.863 |
Verbal Interference 2 | Incorrect response rate divided by Total Reaction Time | | | | | | | |
Total Reaction time | | 0.91 | 0.16 | 0.92 | 0.10 | 0.74 | 0.25 | < 0.001 |
Trail Making 1 | Total Reaction Time | 0.79 | 0.18 | 0.68 | 0.20 | 0.50 | 0.20 | < 0.0001 |
Trail Making 2 | Total Reaction Time | 0.79 | 0.17 | 0.64 | 0.25 | 0.32 | 0.31 | < 0.0001 |
Digit Span Forward | Incorrect response rate | 0.67 | 0.15 | 0.57 | 0.20 | 0.44 | 0.33 | < 0.0001 |
Digit Span Reverse | Incorrect response rate | 0.52 | 0.20 | 0.41 | 0.21 | 0.24 | 0.20 | < 0.0001 |
Maze 1 | Total number of incorrect tap | 0.92 | 0.13 | 0.94 | 0.03 | 0.88 | 0.13 | <0.01 |
Maze 2 | Total number of incorrect tap | 0.93 | 0.12 | 0.90 | 0.09 | 0.85 | 0.14 | < 0.0001 |
Complex Figure | Correct Input | 0.60 | 0.28 | 0.36 | 0.23 | 0.17 | 0.09 | < 0.0001 |
11 Test Total | | 8.59 | 0.86 | 7.64 | 1.08 | 6.04 | 1.1 | < 0.0001 |
6 Domain Score Total | Sum of 6 memory-related cognitive domain scores | 3.94 | 0.56 | 3.18 | 0.72 | 2.25 | 0.68 | < 0.0001 |
9 Domain Score Total | Sum of 6 memory-related cognitive domain scores, Focus scores, Attention scores, and Executive Function scores | 6.04 | 0.81 | 5.04 | 1.05 | 3.52 | 1.11 | < 0.0001 |