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Table 1 Concordance of self-reported and measured HIV status, n=2076 (excluding one sample with indeterminate HIV status)

From: Concordance between self-reported and measured HIV and hepatitis C virus infection status among people who inject drugs in Germany

  HIV laboratory test results
Self-reported status HIV negative (AB-) HIV positive (AB+)
Concordant 1784 (90 %) 81 (81 %)
Discordant 6 (0,3 %) 16 (16 %)
Never tested 133 (7 %) 1 (1 %)
Unclear 52 (3 %) 0 (0 %)
Answer declined 1 (0,1 %) 2 (2 %)
Total 1976 100
  1. Unclear means not sure if tested or did not get last test result.
  2. AB antibodies