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Table 4 High specificity of a new EIA for the detection of simian foamy virus (SFV) antibodies in humans

From: Wide distribution and ancient evolutionary history of simian foamy viruses in New World primates

Population n WB EIA
Pos (%) Neg (%) TP FN TN (%) FP (%)
HIV-1-infected 56 b 56 (100) 55 (98.2) 1 (1.8)
HIV-1/2-infected 59 59 (100) 57 (96.6) 2 (3.4)
HTLV-1/2-infected 65 65 (100) 62 (95.4) 3 (4.6)
US blood donorsa 237 237 (100) 230 (97.1) 7 (2.9)
Total 417 0 417 (100) 404 (96.9) 13 (3.1)
  1. WB western blot testing, TP true positive, FN false negative, TN true negative, FP false positive
  2. aBlood donors previously tested negative for antibodies to SFV from Old World monkey and apes
  3. bDashes indicate an absence of specimen(s) with results in this category