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Table 3 Follow-up of initial indeterminate donors (n = 7) by confirmatory test

From: Seroprevalence of human T-lymphotropic virus infection among blood donors in China: a first nationwide survey

No. Province Sex Age Follow-up
(day)
Supplemental tests (R/NR, S/CO or COI) INNO-LIA PCR result Result
Confirmation Discrimination
R1 R2 R3 R4 p19 I/II p24 I/II gp46 I/II gp21 I/II p19-I gp46-I gp46-II
177 Jiangsu F 36 0 NR
0.43
NR
0.76
R
3.71
R
6.10
1+ UD IND
85 NR
0.48
NR
0.54
R
4.11
R
9.50
1+ –– ± UD HTLV-1/2
1342 Heilongjiang M 52 0 NR
0.65
R
4.89
R
171.50
R
19.40
2+ UD IND
250 R
1.11
R
5.51
R
142.10
N/A ± 2+ UD HTLV-1/2
91 Heilongjiang M 50 0 NR
0.15
NR
0.56
R
42.37
NR
0.50
1+ UD IND
137 NR
0.17
NR
0.90
R
59.43
NR
0.40
± UD IND
513 Sichuan M 37 0 NR
0.25
R
1.13
R
34.48
R
50.00
2+ UD IND
151 NR
0.23
R
1.04
R
66.61
R
49.10
± UD IND
1357 Henan M 46 0 NR
0.17
NR
0.68
R
197.10
NR
0.20
± UD IND
126 NR
0.12
NR
0.38
R
213.20
N/A ± UD IND
1439 Jiangsu M 19 0 NR
0.21
R
2.05
R
27.30
R
1.70
± UD IND
302 NR
0.13
NR
0.35
NR
0.20
R
1.30
± UD IND
1442 Jiangsu F 31 0 NR
0.35
R
2.85
NR
0.61
R
1.10
± UD IND
203 NR
0.19
R
2.91
NR
0.60
NR
0.20
UD Negative
  1. R reactive, S/CO or COI ≥ 1.0; NR nonreactive, S/CO or COI < 1.0; UD undetected; IND indeterminate; N/A not available; F Female; M Male
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