Sensitivity and specificity of salivary gland scintigraphy (0–12 scale).
| Criterion | Sensitivity (%) | Specificity (%) |
|---|---|---|
| ≥ 0 | 97.10 | 21.50 |
| > 1 | 97.10 | 24.60 |
| > 2 | 95.70 | 46.20 |
| > 3 | 94.30 | 49.20 |
| > 4 | 80.00 | 76.40 |
| > 5 | 77.10 | 75.40 |
| > 6* | 67.10 | 86.10 |
| > 7 | 64.30 | 89.20 |
| > 8 | 52.90 | 95.40 |
| > 9 | 51.40 | 96.90 |
| > 10 | 37.10 | 100.00 |
| > 11 | 34.30 | 100.00 |
| 12 | 0.00 | 100.00 |
AUC-ROC = 0.860, Standard error = 0.031.
↵* Optimal cutoff point. AUC-ROC: area under the receiver-operating characteristic curve.