Table 5. Cut-off points, sensitivity, specificity and Youden’s index of BECSI total score for distinguishing SCD and MCI.
NC vs SCD (n=1165) | SCD vs MCI (n=521) | ||||||
---|---|---|---|---|---|---|---|
BECSI cut-off | Sensitivity | Specificity | Youden’s index | BECSI cut-off | Sensitivity | Specificity | Youden’s index |
8.50 | 0.991 | 0.238 | 0.229 | 12.50 | 0.344 | 1.000 | 0.344 |
9.50 | 0.982 | 0.348 | 0.330 | 13.50 | 0.469 | 0.997 | 0.465 |
10.50 | 0.897 | 0.537 | 0.434 | 14.50 | 0.594 | 0.923 | 0.516 |
11.50 | 0.804 | 0.654 | 0.457 | 15.50 | 0.714 | 0.865 | 0.580 |
12.50 | 0.656 | 0.877 | 0.533 | 16.50 | 0.817 | 0.791 | 0.608 |
13.50 | 0.531 | 0.918 | 0.449 | 17.50 | 0.893 | 0.684 | 0.576 |
14.50 | 0.406 | 0.927 | 0.333 | 18.50 | 0.938 | 0.512 | 0.449 |
15.50 | 0.286 | 0.969 | 0.255 | 19.50 | 0.978 | 0.404 | 0.382 |
BECSI, Brief Elderly Cognitive Screening Inventory; MCI, mild cognitive impairment; NC, normal cognitive; SCD, subjective cognitive decline.