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Sensitivity and specificity of different titers measured by the standardized assay with rabbit complement compared to a protective titer measured by the reference Goldschneider assay
| 1/titer by standardized assay | Goldschneider titer of ≥1:4
|
Goldschneider titer of ≥1:8
|
||
|---|---|---|---|---|
| Sensitivity (%) | Specificity (%) | Sensitivity (%) | Specificity (%) | |
| ≥32 | 85 | 61 | 91 | 58 |
| ≥64 | 78 | 73 | 86 | 68 |
| ≥128 | 69 | 83 | 78 | 81 |
| ≥256 | 54 | 87 | 63 | 88 |
| >512 | 41 | 92 | 49 | 94 |
