Table 4.
The discrimination validity of cognitive performance measured by the BACS in patients with schizophrenia and healthy controls, using the ROC analyses
| Subtest of the BACS | AUC | 95% CI | Standard error | P-value |
|---|---|---|---|---|
| Verbal memory | 0.844 | 0.778–0.909 | 0.033 | <0.001* |
| Working memory | 0.877 | 0.816–0.938 | 0.031 | <0.001* |
| Motor speed | 0.912 | 0.857–0.967 | 0.028 | <0.001* |
| Verbal fluency | 0.836 | 0.768–0.904 | 0.035 | <0.001* |
| Attention and processing speed | 0.903 | 0.853–0.952 | 0.025 | <0.001* |
| Executive function | 0.765 | 0.683–0.847 | 0.042 | <0.001* |
| Composite score | 0.942 | 0.904–0.980 | 0.019 | <0.001* |
Note:
*
P<0.001.
Abbreviations: AUC, area under curve; BACS, Brief Assessment of Cognition in Schizophrenia; CI, confidence interval; ROC, receiver operating characteristic.