Table 2 Sensitivity and specificity of two different CSF cut-off levels of APRIL and BAFF determined by ROC analysis
From: APRIL and BAFF: novel biomarkers for central nervous system lymphoma
Cut-off CSF level | Sensitivity (%) | Specificity (%) |
|---|---|---|
APRIL | ||
 5.41 ng/ml (Youden’s Index) | 77.4 | 87.3 |
 6.59 ng/ml | 62.3 | 93.7 |
BAFF | ||
 121 pg/ml (Youden’s Index) | 82.4 | 74.6 |
 299 pg/ml | 47.1 | 93.7 |