TABLE 3.
Sensitivity and specificity of the dementia risk scores among dialysis patients when applied to high‐ and low‐risk groups
| Optimal cutoff value | Derivation data | Validation data | ||||||
|---|---|---|---|---|---|---|---|---|
| Risk | With dementia | Without dementia | Total | Risk | With dementia | Without dementia | Total | |
| 50 | High | 1493 | 8394 | 9887 | High | 356 | 2063 | 2419 |
| Low | 859 | 15,005 | 15,864 | Low | 232 | 3786 | 4018 | |
| Total | 2352 | 23,399 | 25,751 | Total | 588 | 5849 | 6437 | |
| Sensitivity | 63.48% (95% CI 61.53%–65.42%) | 60.54% (95% CI 56.59%–64.49%) | ||||||
| Specificity | 64.13% (95% CI 63.15%–65.10%) | 64.73% (95% CI 62.77%–66.68%) | ||||||
| Odds ratio | 3.03 (2.78–3.31) | 2.82 (2.37–3.35) | ||||||
Abbreviation: CI, confidence interval.