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Table 2 Consent for testing and HIV status (Zewditu Memorial Hospital, Addis Ababa, 2003–04)

From: Implications of the HIV testing protocol for refusal bias in seroprevalence surveys

  Freq. Column % Study participants (column %) HIV prevalence
Consent level A (testing & post-test counseling) 1168 70.8 75.5 27.5
Consent level B (testing only) 164 9.9 10.6 49.6
Consent level C (total refusal) 215 13.0 13.9 unknown
Known HIV status 49 3.0 excluded 81.8
Discharged/expired prior to testing 54 3.3 excluded  
Total 1650 100