Table 3 Reported diagnostic performance according to product inserts of three RDTs under evaluation for the detection of Cryptosporidium spp. and/or Giardia infection in stool samples using microscopy as reference
| Â | Sensitivity | Specificity | Positive predictive value | Negative predictive value |
|---|---|---|---|---|
QUIK-CHEK | ||||
 Cryptosporidium spp. | 100% | 99.8% | Not reported | Not reported |
 Giardia | 98.8% | 100% | Not reported | Not reported |
RIDA-QUICK | ||||
 Cryptosporidium spp. | 93.8% | 100% | 100% | 97.5% |
 Giardia | 100% | 95.2% | 88.2% | 100% |
CRYPTO/GIARDIA DUO-Strip | ||||
 Cryptosporidium spp. | 86.7% | 100% | 100% | 97.5% |
 Giardia | 89.2% | 99.3% | 97.1% | 97.3% |