Table 6 Sensitivity and specificity at various cutoff points of the Taiwanese BCIS composite index for cognitive insight
Score threshold | Sensitivity (%) | Specificity (%) | Yuden Index | n (%) of patients identified at or below cutoff |
|---|---|---|---|---|
Schizophrenia (n = 118) | Â | Â | Â | Â |
19 | 0 | 100 | 1.00 | 118 (100%) |
18 | 0 | 100 | 1.00 | 118 (100%) |
17 | 0.39 | 99.75 | 1.00 | 117 (99.2%) |
16 | 0.99 | 99.15 | 1.00 | 117 (99.2%) |
15 | 1.78 | 99.15 | 1.01 | 117 (99.2%) |
14 | 2.17 | 98.31 | 1.00 | 117 (99.2%) |
13 | 4.73 | 98.31 | 1.03 | 116 (98.3%) |
12 | 8.48 | 98.31 | 1.07 | 116 (98.3%) |
11 | 10.85 | 97.46 | 1.08 | 116 (98.3%) |
10 | 16.57 | 92.37 | 1.09 | 115 (97.5%) |
9 | 22.88 | 88.98 | 1.12 | 109 (92.45) |
8 | 30.97 | 85.59 | 1.17 | 105 (89.0%) |
7 | 40.43 | 82.2 | 1.23 | 101 (85.6%) |
6 | 54.44 | 77.12 | 1.32 | 97 (82.2%) |
5 | 67.26 | 66.10 | 1.33 | 91 (77.1%) |
4 | 77.51 | 59.32 | 1.37 | 78 (66.1%) |
3* | 87.18 | 50.85 | 1.38 | 70 (59.3%) |
2 | 92.11 | 37.29 | 1.29 | 60 (50.8%) |
1 | 95.86 | 29.66 | 1.26 | 44 (37.3%) |
0 | 98.42 | 17.80 | 1.16 | 35 (29.7%) |
-1 | 99.0 | 10.17 | 1.09 | 21 (17.8%) |
-2 | 99.41 | 5.93 | 1.05 | 12 (10.2%) |
-3 | 99.8 | 1.69 | 1.01 | 7 (5.9%) |
-4 | 99.8 | 0.85 | 1.01 | 2 (1.7%) |
-5 | 99.9 | 0.65 | 1.01 | 1 (0.9%) |
-6 | 100 | 0 | 1.00 | 0 (0%) |