Table 3.
Group comparisons of memory test results in patients with a-MCI depending on ADP
| ADP (n = 37) | Non-ADP (n = 46) | p value | |
|---|---|---|---|
| SVLT immediate recall | |||
| Median CR (IQR) | 15.0 (11.0 to 17.0) | 15.0 (11.0 to 17.0) | 0.593 |
| Median IE (IQR) | 2.0 (1.0 to 5.0) | 2.0 (1.0 to 3.25) | 0.091 |
| Cases with IE occurrencea, % | 31 (83.8) | 36 (78.3) | 0.586 |
| Median VRecall (IQR) | 0.7 (0.5 to 0.9) | 0.8 (0.7 to 0.9) | 0.377 |
| SVLT delayed recall | |||
| Median CR (IQR) | 2.0 (0.0 to 3.5) | 2.5 (1.8 to 4.0) | 0.073 |
| Median IE (IQR) | 1.0 (0.0 to 2.0) | 1.0 (0.0 to 3.0) | 0.799 |
| Cases with IE occurrencea | 27 (73.0) | 31 (67.4) | 0.636 |
| Median VRecall (IQR) | 0.0 (−0.3 to 0.3) | 0.2 (0.0 to 0.7) | 0.030 |
| SVLT recognition | |||
| Median recognition discriminability, % (IQR) | 70.8 (66.7 to 79.2) | 79.2 (70.8 to 84.4) | 0.041 |
| Median TP (IQR) | 9.0 (7.0 to 11.0) | 9.0 (7.0 to 11.0) | 0.608 |
| Median FP (IQR) | 3.0 (2.0 to 5.0) | 2.0 (1.0 to 3.0) | <0.001 |
| FP-R, median (IQR) | 2.0 (2.0 to 4.0) | 1.0 (1.0 to 3.0) | 0.014b |
| Median FP-UR (IQR) | 0.0 (0.0 to 1.5) | 0.0 (0.0 to 0.0) | 0.044 |
| Median VP (IQR) | 0.5 (0.3 to 0.7) | 0.7 (0.5 to 0.8) | 0.001 |
| Median VN (IQR) | 0.5 (0.3 to 0.8) | 0.5 (0.3 to 0.7) | 0.938 |
| RCFT immediate recall | |||
| Median raw score (IQR) | 6.0 (4.0 to 11.0) | 9.0 (4.9 to 12.6) | 0.258 |
| RCFT delayed recall | |||
| Median raw score (IQR) | 6.0 (3.8 to 9.0) | 8.5 (4.9 to 12.0) | 0.073 |
| RCFT recognition | |||
| Median recognition discriminability, % (IQR) | 70.8 (62.5 to 83.3) | 79.2 (70.8 to 83.3) | 0.041 |
| Median TP (IQR) | 9.0 (7.0 to 11.0) | 9.0 (7.0 to 10.0) | 0.601 |
| Median FP (IQR) | 3.0 (2.0 to 5.0) | 2.0 (1.0 to 3.0) | 0.004 |
| Median VP (IQR) | 0.4 (0.3 to 0.6) | 0.6 (0.5 to 0.8) | 0.003 |
| Median VN (IQR) | 0.5 (0.2 to 0.8) | 0.5 (0.3 to 0.7) | 0.752 |
ADP, Alzheimer's disease pathology; a-MCI, amnestic mild cognitive impairment; FP, false positives; IE, intrusion error; IQR, interquartile range; RCFT, Rey-Osterrieth Complex Figure Test; SVLT, Seoul Verbal Learning Test; TP, true positives; VN, verity of negative responses; VP, verity of positive responses; VRecall, verity of responses. a The number of cases that exhibited intrusion errors in the test. b Due to Bonferroni correction for multiple testing, the p value was set at 0.025.