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Table 2 Association in the occurrence of HBsAg, HIV, HBV and syphilis determined by logistic regression after adjusting for age and sex and expressed as odds ratio (OR) with 95 percentage confidence interval (95% CI)

From: Seroprevalence of human immunodeficiency virus, hepatitis B and C viruses and syphilis infections among blood donors at the Muhimbili National Hospital in Dar Es Salaam, Tanzania

Infections N % Crude OR(95% CI) Adjusted OR (95% CI)
HBsAg and HIV 5 17.9 1.0(0.4–2.5) 1.0(0.4–2.5)
HBsAg and syphilis 11 39.3 2.1(1.1–4.0) 2.2(1.1–4.2)
HIV and syphilis 7 25 2.9(1.3–6.6) 2.2(1.0–5.3)
HCV and syphilis 2 7.1 0.9(0.1–6.6) 0.9 (0.1–6.8)
HBsAg and HCV 2 7.1 0.9(0.2–4.3) 0.9 (0.2–3.9)