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Table 3 Cross tabulation of HBV Status of voluntary and replacement blood donors by age

From: Prevalence of hepatitis B virus infection among blood donors at the Tamale Teaching Hospital, Ghana (2009)

Age* (years) HBV Positive (%) HBV Negative (%) Total (%)
  VBD RBD VBD RBD VBD RBD
11-19 18(29.03) 38(5.6) 117(22.76) 232(4.49) 135(23.44) 270(4.62)
20-29 43(69.35) 407(60.03) 265(51.56) 2,470(47.8) 308(53.47) 2,877(49.22)
30-39 1(1.61) 190(28.02) 106(20.62) 1,891(36.6) 107(18.58) 2,081(35.6)
40-49 0(0) 40(5.9) 26(5.06) 500(9.68) 264.51) 540(9.24)
50-59 - 3(0.44) - 74(1.43) - 77(1.32)
Total 62(100) 678(100) 514(100) 5,167 (100) 576(100) 5,845(100)
  1. VBD Voluntary blood donors; RBD Replacement blood donors; Pearson chi2 for VBD (3) = 18.1044; P-value < 0.001; Pearson chi2 for RBD (4) = 45.9008 P-value < 0.001