TABLE 1.
Rapid test and result (n) | No. of resultsa by:
|
||||||
---|---|---|---|---|---|---|---|
ELISA-1
|
ELISA-2b
|
Immunoblotc
|
|||||
Pos. | Neg. | Pos. | Neg. | Pos. | Neg. | Indeterminate | |
TRI-DOT | |||||||
Reactive (16) | 0 | 16 | 1 | 15 | 0 | 13 | 1 |
Negative (20) | 18 | 2d | 5 | 14 | 1 | 15 | 3 |
HIV-SPOT | |||||||
Reactive (10) | 0 | 10 | 1 | 9 | 0 | 7 | 3 |
Negative (2) | 1 | 1d | 2 | 0 | 1 | 1 | 0 |
Pos., positive; Neg., negative.
One sample was not tested by ELISA-2.
Three samples were not tested by immunoblot.
These samples showed visible color in the assay although results were below the cutoff, so they were tested by ELISA-2.