Table 2 Evaluated performance metric result for the AiDx assist microscope.
Conventional microscopy | Semi-automated AiDx assist (334—positive cases) | Fully automated AiDx assist (321—positive cases) | ||||||
|---|---|---|---|---|---|---|---|---|
Sen (%) | Spec (%) | PPV (%) | NPV (%) | Sen (%) | Spec (%) | PPV (%) | NPV (%) | |
AiDx assist microscope | ||||||||
 All samples with S. haematobium infection (N = 358) | 90.5 | 98 | 99 | 93 | 88 | 99 | 98 | 92 |
Low and high intensity detection by semi/fully-automated AiDx NTDx | ||||||||
 Low intensity infection* (N = 244) | 86 | – | – | – | 82.4 | – | – | – |
 High-intensity infection (N = 114) | 100 | – | – | – | 100 | – | – | – |
