TABLE 1.
Characteristics of FPA for diagnosis of leptospirosisa
| ROC cutoff (mP) | Relative sensitivity (%) | Relative specificity (%) | Positive predictive value (%) | Negative predictive value (%) |
|---|---|---|---|---|
| 121 | 99.5 | 15.9 | 54.2 | 97.0 |
| 141 | 97.1 | 40.4 | 62.0 | 93.3 |
| 151 | 93.3 | 66.3 | 73.5 | 90.8 |
| 161b | 83.7 | 81.2 | 81.7 | 83.3 |
| 171 | 62.0 | 93.3 | 90.2 | 71.1 |
| 182 | 28.4 | 97.1 | 90.8 | 57.5 |
| 192 | 7.7 | 99.0 | 88.9 | 51.8 |
a
The area under the ROC curve was 0.9, the standard error was 0.01, and the 95% confidence interval was 0.856 to 0.918.
b
Cutoff point giving the most efficient screening characteristics of FPA.