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Table 4 Rapid Plasma Reagin (RPR) results on 8 plasma samples with false negative DBS TPPA results

From: The development and validation of dried blood spots for external quality assurance of syphilis serology

Sample

DBS

TPPA*

RPR†

BBI99P

N

N

N

BBI792

N

N

N

BBI6GG

N

N

N

BBI5YI

N

N

N

BBI8ZC

N

1/80

N

BBI6LP

N

1/160

N

BBI6K6

N

1/320

N

BBI6NZ

N

>1/640

1/64

  1. N= negative.
  2. * Quantitative TPPA.
  3. † Quantitative RPR.
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BMC Infectious Diseases

ISSN: 1471-2334

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