Table 4.
Sensitivity, specificity, positive predictive value, and negative predictive value of Crude Ag and mixed rK39 and rK26—antigens compared to DAT for serodiagnosis of symptomatic and asymptomatic VL patients.
| Tests | VL patients | No | Sn | Sp | PPV | NPV |
|---|---|---|---|---|---|---|
| rK39 and rK26 -ELISA | Asymptomatic | 32 | 87.5% | 93% | 82.4% | 95.2% |
| Symptomatic | 52 | 100% | 93% | 89.7% | 100% | |
| Crude Ag- ELISA | Asymptomatic | 32 | 59.4% | 52.3% | 31.7% | 77.6% |
| Symptomatic | 52 | 84.6 | 53.5 | 52.4 | 85.2 |
Sn Sensitivity, Sp Specificity, PPV Positive predictive value, NPV Negative predictive value.