Table 3.
Diagnosis efficiency of SLEAI, Age, NIKBUT and combo parameters for DED by ROC analysis.
| Parameters | Cut-off | Area under curve | Sensitivity/% | Specificity/% | Youden's index |
|---|---|---|---|---|---|
| SLEDAI | 4.5 | 0.752 | 87.9% | 60.3% | 0.482 |
| Age | 33.5 | 0.748 | 81.8% | 61.9% | 0.437 |
| NIKBUT | 9.415 | 0.896 | 76.2% | 97.0% | 0.732 |
| SLEDAI+Age | 0.791 | 87.9% | 61.9% | 0.498 | |
| SLEDAI+NIKBUT | 0.910 | 97.0% | 73.0% | 0.700 | |
| Age+NIKBUT | 0.909 | 97.0% | 76.2% | 0.732 | |
| SLEDAI+Age+NIKBUT | 0.915 | 75.8% | 92.1% | 0.678 |
SLEDAI, Systemic Lupus Erythematosus Disease Activity Index; NIKBUT, Non-Invasive Tear Film Breakup Time.