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Analysis of HIV p24 (Ag) reactivity by Determine Combo and laboratory p24 assays before the first Ab-reactive.
| Determine Combo Ag reactivity |
||
|---|---|---|
| Ag+ | Ag− | |
| IA p24 reactivity (S/CO) | ||
| ≥1(positive) | 26 | 10 |
| <1(negative) | 3 | 75 |
The analysis was performed in 114 specimens collected before the first Ab-reactive result from 24 seroconverters with p24 available data (Coulter or Abbott). S/CO: ratio of specimen OD/Cutoff; IA: immunoassay.
