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. 2013 Jul 11;8(7):e68349. doi: 10.1371/journal.pone.0068349

Table 4. Detection of antiretroviral drugs in study samples.

ARV drugs detected
Sample type N Female No drugs 1 drug ≥2 drugs
MAA positive (within the windowperiod for recent infection usingthe MAA) 461 311 (67.5%) 432 (93.7%) 26 (5.6%) 3 (1.1%)
MAA negative, excluded from thewindow period for recent infectionbased solely on low viral load 88 65 (73.9%) 31 (64.8%) 12 (13.6) 45 (51.1%)

Abbreviations: ARV: antiretroviral; MAA: multi-assay algorithm; N: number of samples/participants.