Cut-off point | Sensitivity | Specificity | Properly classified | Likelihood ratio |
≥ 0 | 100% | – | 1.71% | 1.00 |
≥ 2 | 92.0% | 51.0% | 51.7% | 1.88 |
≥ 4 | 88.0% | 59.3% | 59.8% | 2.16 |
≥ 5 | 76.0% | 85.1% | 84.9% | 5.09 |
≥ 6 | 76.0% | 86.1% | 85.9% | 5.48 |
≥ 8 | 72.0% | 90.7% | 90.4% | 7.76 |
≥ 9 | 44.0% | 96.7% | 95.8% | 13.42 |
≥ 10 | 40.0% | 97.3% | 96.4% | 15.09 |
≥ 12 | 20.0% | 99.1% | 97.7% | 22.06 |
≥ 13 | 8.0% | 99.9% | 98.3% | 57.36 |
≥ 17 | 4.0% | 100% | 98.4% | |
>17 | – | 100% | 98.3% |
The optimal cut-off point is highlighted in bold.
SLESIS-R, Systemic Lupus Erythematosus Severe Infection Score-Revised.