Specimen type | RT-iiPCR | CDC-PAHO RT-qPCRa | Agreement (k, CI95%)b | ||
---|---|---|---|---|---|
 |  | Positive | Negative | Total | |
Overall performance | Positive | 288 | 38 | 326 | 92% (0.83 [0.77–0.88]) |
 | Negative | 1 | 154 | 155 | |
 | Total | 289 | 192 | 481 | |
Whole blood | Positive | 60 | 11 | 71 | 90% (0.80 [0.69–0.91]) |
 | Negative | 0 | 41 | 41 | |
 | Total | 60 | 52 | 112 | |
Plasma | Positive | 74 | 9 | 83 | 92% (0.82 [0.71–0.93]) |
 | Negative | 0 | 32 | 32 | |
 | Total | 74 | 41 | 115 | |
Serum | Positive | 78 | 6 | 84 | 95% (0.86 [0.76–0.97]) |
 | Negative | 0 | 27 | 27 | |
 | Total | 78 | 33 | 111 | |
Semen | Positive | 15 | 2 | 17 | 92% (0.81 [0.57–1]) |
 | Negative | 0 | 7 | 7 | |
 | Total | 15 | 9 | 24 | |
Urine | Positive | 56 | 10 | 66 | 90% (0.79 [0.67–0.89]) |
 | Negative | 1 | 45 | 46 | |
 | Total | 57 | 55 | 112 | |
Mosquito pools | Positive | 5 | 0 | 5 | 100% (1) |
 | Negative | 0 | 2 | 2 | |
 | Total | 5 | 2 | 7 |