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TABLE 3. Detailed analysis of reactivity patterns of samples with discrepant results by screening and confirmatory assays

Sample no. ELISA ratio^a^,^b
WB2.3 reactivity pattern WB result^b
INNO-LIA reactivity pattern INNO-LIA result PCR result^c

First ELISA
Second ELISA

Org Emb Mur Orth WB2.3 WB2.4

255 1.50 1.97 0.27 1.07 p19, gp21, p24, p26, p28, p53 Ind NT p19, p24, gp46, gp46-1 HTLV-1 Neg

348 0.61 0.28 0.26 0.51 p24 Ind NT p19, p24, gp46, gp46-1 HTLV-I Neg

404 0.85 0.81 0.34 0.40 p19, gp21, p26, p28 Ind NT p19, gp46, gp46-1 HTLV-I tax

445 3.06 0.04 0.29 0.28 p24, p28 Ind NT p24, pg46, gp46-1 HTLV-I Neg

461 1.55 0.16 0.27 0.96 rgp21, p24 Pos Pos p24, gp46, gp46-1 HTLV-I Neg

1157 0.76 1.26 0.72 0.73 p19, gp21, p26, p28, p53 Ind Ind p19, gp46, gp46-1 HTLV-I Neg

1270 1.05 2.18 0.28 0.75 p19, gp21, p26, p28, p32, p36 Ind NT p19, gp46, p19-1, gp46-1 HTLV-I Neg

314 1.43 1.64 1.53 NT p19, gp21, p28 Ind NT p19, gp46, gp46-2 HTLV-II tax

343 1.95 0.89 0.31 0.26 p24 Ind Ind p24, gp46, gp46-2 HTLV-I Neg

256 2.87 2.01 0.29 0.06 p24, p53 Ind Ind p19, p24, gp21 Pos Neg

274 1.42 1.55 0.34 0.88 p19, gp21, p26, p28, p32, p36, p53 Ind NT p19, gp46 Pos Neg

297 2.45 1.28 1.00 0.71 rgp21, p24 Pos Ind p24, gp46, gp21 Pos Neg

419 0.85 1.59 0.26 1.22 p19, gp21, p26, p28, p32, p36, p53 Ind Ind p19, gp46 Pos NT

426 2.03 3.17 0.30 0.64 p19, gp21, p26, p28, p32, p36, p53 Ind Ind p19, gp46 Pos Neg

432 2.98 1.99 0.31 1.97 p19, gp21, p26, p28, p32, p36, gp46, p53 Ind Ind p19, gp21 Pos Neg

441 1.22 0.55 0.28 0.57 p19, gp21, p28 Ind NT p19, p24, gp46 Pos Neg

460 1.58 0.36 10.24 0.28 rgp21, p19, gp21 Pos Pos p19, gp21 Pos Neg

1091 1.23 1.64 0.24 0.47 rgp21, p19, gp21 Pos Ind p19, gp21 Pos Neg

1100 1.66 2.39 0.32 0.44 rgp21, p19, gp21, p26, p28, p36 Pos Ind p19, gp46 Pos Neg

1164 0.49 0.87 0.89 0.53 p19, gp21, p24, p26, p28, p53 Ind Pos p19, gp21 Pos Neg

1175 1.71 2.34 0.27 0.21 p19, gp21 Ind Pos p19, gp46 Pos Neg

^a ELISA ratios (signal/cutoff) were calculated as described by each manufacturer. For the kits from Organon (Org) and Embrabio (Emb), the results are average ratios of two determinations. For the kits from Murex (Mur) and Ortho (Orth), the results are ratios of a single determination.

^b NT, not tested; Ind, indeterminate; Pos, positive.

^c Neg, negative; tax, positive only for tax PCR.

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