TABLE 2.
Diagnostic accuracy indices at different positivity cutoff points for the Panbio Leptospira IgM ELISAa
| Cutoff point | %
|
Likelihood ratio
|
|||
|---|---|---|---|---|---|
| Sensitivity | Specificity | Correctly classified | Positive | Negative | |
| ≥9.1 | 75.6 | 53.4 | 56.6 | 1.62 | 0.46 |
| ≥10.1 | 73.2 | 59.1 | 61.1 | 1.79 | 0.45 |
| ≥11.0 | 68.3 | 64.0 | 64.6 | 1.90 | 0.50 |
| ≥13.0 | 61.0 | 71.7 | 70.1 | 2.15 | 0.54 |
| ≥15.0 | 53.7 | 77.3 | 74.0 | 2.37 | 0.60 |
| ≥17.0 | 46.3 | 83.0 | 77.8 | 2.73 | 0.65 |
| ≥19.1 | 43.9 | 88.3 | 81.9 | 3.74 | 0.63 |
| ≥21.0 | 39.0 | 91.5 | 84.0 | 4.59 | 0.67 |
| ≥23.3 | 39.0 | 91.9 | 84.4 | 4.82 | 0.66 |
| ≥25.8 | 34.2 | 94.3 | 85.8 | 6.02 | 0.70 |
| ≥27.0 | 26.8 | 95.1 | 85.4 | 5.52 | 0.77 |
a
True positivity values are as classified by MAT.