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Table 2 HBsAg prevalence according to donor age groups

From: Prevalence of hepatitis B surface antigen (HBsAg) in a blood donor population born prior to and after implementation of universal HBV vaccination in Shenzhen, China

Age (years) 18–25   26–35 36–45 46–58 Total
Donor type HBsAg+/all % HBsAg+/all % HBsAg+/all % HBsAg+/all % HBsAg+/all %
Male 3904/124,365 3.14 3601/156,658 2.30 1680/77,880 2.16 376/20,922 1.97 9561/379,825 2.52
Female 2015/92,680 2.17 940/56,170 1.67 543/31,383 1.73 137/9087 1.51 3635/189,320 1.92
First-time 5671/160,817 3.53 4218/121,447 3.47 2021/50,851 3.97 450/11,222 4.01 12,360/344,337 3.59
Repeat 248/56,228 0.44 323/91,381 0.35 323/91,381 0.35 63/18,787 0.34 836/224,808 0.38
Native 2567/73,214 3.51 1670/50,584 3.30 835/33,472 2.49 222/13,057 1.70 5294/170,327 3.11
Other origins 3352/143,831 2.33 2871/162,244 1.77 1388/75,791 1.83 291/16,952 1.72 7902/398,818 1.98
Overall 5919/217,045 2.73 4541/212,828 2.13 2223/109,263 2.03 513/30,009 1.71 13,196/569,145 2.32