Effect of Dilution on NAT Reactivity (Gen-Probe HIV-1/HCV Assay)

Lot 355

HIV-1 (N=25 Panels)

Lot 356

HCV (N=22 Panels)

Lot 355

Lot 356

Undiluted 162 167 162 160

Diluted 1:128 145 (90%) 148 (89%) 151 (93%) 151 (94%)

p24 Ag 82 (57%) 82 (55%) — —

ALT (³60) — — 50 (44%)* 49 (43%)**

* Of 114 tested;** Of 113 tested

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