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ROC curve analysis at varying cut-off values for T-SPOT.TB results
| POSITIVE T-SPOT | ||||
|---|---|---|---|---|
| CUT-OFF | SENSITIVITY(%) | SPECIFICITY(%) | LIKELIHOOD RATIO | |
| (SFC/million) | POSITIVE | NEGATIVE | ||
| 12 | 85.9 | 39.5 | 1.4 | 0.4 |
| 20 | 78.8 | 48.2 | 1.5 | 0.4 |
| 24 | 76.5 | 53.1 | 1.6 | 0.4 |
| 96 | 40.0 | 85.2 | 2.7 | 0.7 |
| 220 | 23.5 | 95.1 | 4.8 | 0.8 |
