Table 2.
Classification performance of FACT-Cog PCI in the validation dataset*
| Classification |
Sensitivity | Specificity | PPV | NPV | |||
|---|---|---|---|---|---|---|---|
| Impaired | Not impaired | (95% CI)† | (95% CI) | (95% CI) | (95% CI) | ||
| PCI - 18 (< 54) | Impaired | 11 | 3 | 79 | 92 | 79 | 92 |
| Not impaired | 3 | 36 | (49 to 95) | (79 to 98) | (49 to 95) | (79 to 98) | |
| PCI - 20 (< 60) | Impaired | 11 | 3 | 79 | 92 | 79 | 92 |
| Not impaired | 3 | 36 | (49 to 95) | (79 to 98) | (49 to 95) | (79 to 98) | |
*FCIs are exact binomial confidence intervals. FACT-Cog = Functional Assessment of Cancer Therapy—Cognition PCI = perceived cognitive impairment; PPV = positive predictive value; NPV = negative predictive value.
†CIs are exact binomial confidence intervals.