Table 3. HIV diagnostic test results summary for STOP and LA study cohorts.
Diagnostic Test Results | Number of Recent Infections | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
ARCHITECT | Multispot/Geenius | Aptima/VL | N (STOP) | N (LA Study) | N (Total) | 400 | 450 | 500 | 550 | 600 | |
Acute Group 1 | NEG | NEG/IND | + | 19 | 7 | 26 | 26 | 26 | 26 | 26 | 26 |
Acute Group 2 | + | NEG/IND | + | 124 | 9 | 133 | 131 | 132 | 132 | 132 | 132 |
Established | + | + | + | 252 | 270 | 522 | 281 | 315 | 351 | 391 | 415 |
TOTAL | 395 | 286 | 681 | 438 | 473 | 509 | 549 | 573 |
aNumber of recent infections for each group at the evaluated ARCHITECT HIV Ag/Ab Combo signal-to-cutoff ratios
VL = viral load; + = reactive test result; NEG = nonreactive test result; IND = indeterminate test result