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Table 2 Incidence assay window periods obtained when combining BED and AI incidence assays for various pairs of cut-off values

From: Can HIV incidence testing be used for evaluating HIV intervention programs? A reanalysis of the Orange Farm male circumcision trial (ANRS-1265)

BED - AI Cut-off

0.325 - 31.6

0.733 - 80.5

0.90 - 90.0

1.51 - 94.0

1.89 - 96.0

Window period

65.9 d

159 d

213 d

268 d

300 d

95% CI in days

45.3 to 93.5

122 to 211

163 to 264

211 to 352

234 to 388

  1. d: days
  2. AI: avidity index
  3. CI: Confidence interval
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BMC Infectious Diseases

ISSN: 1471-2334

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