Sensitivity, specificity, positive predictive value, and negative predictive values of SPTs, ELISA, and combined SPTs and ELISAs
| Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) | |
| SPTs | 76.2 | 91.4 | 80.0 | 89.5 |
| ELISAs | 53.7 | 86.0 | 62.9 | 80.8 |
| Combined SPTs and ELISAs | 83.3 | 82.8 | 68.6 | 91.7 |









