From: The XN-30 hematology analyzer for rapid sensitive detection of malaria: a diagnostic accuracy study
 | XN-30 and microscopy versus qPCR results (n = 837) | |||||
---|---|---|---|---|---|---|
XN-30 | Microscopy | Test ratio (95% CI) | p value | |||
 | Positive | Negative | Positive | Negative |  |  |
qPCR > 0.05 p/μL | 253 | 104 | 237 | 120 |  |  |
qPCR < 0.05 p/μL | 2 | 478 | 0 | 480 |  |  |
Sensitivity | 70.9% |  | 66.4% |  | 0.94 (0.90–0.97) | .0009 |
Specificity | 99.6% | Â | 100.0% | Â | 0 | .5 |
PPV | 98.9% | Â | 100.0% | Â | Â | Â |
NPV | 83.4% | Â | 80.0% | Â | Â | Â |
ROC | 0.86 | Â | 0.83 | Â | Â | Â |