Table 2

Serology results stratified by age group

Age group≤5 years6–10 years>10 years
Transfusion recipients n=70, n (%)Controls n=77
n (%)
P valueTransfusion recipients n=125, n (%)Controls n=112
n (%)
P valueTransfusion recipients n=104, n (%)Controls n=111, n (%)P value
Anti-HBs* (+)/Anti-HBc† (-)
(vaccination profile)
32 (45.5)26 (33.7)0.157 (45.6)26 (23.2)<0.00151 (49.0)25 (22.5)<0.001
Anti-HBs (+)/Anti-HBc (+)
(past infection profile)
8 (11.4)5 (6.5)0.213 (10.4)11 (9.8)0.919 (18.3)22 (19.8)0.8
Anti-HBs (-)/Anti-HBc (-)
(no infection/vaccination)
32 (45.7)42 (54.6)0.352 (41.6)67 (59.8)0.00527 (26.0)56 (50.5)<0.001
Anti-HBs (-) Anti-HBc (+)HBsAg‡ (-)
(resolved infection)
1 (1.4)3 (3.9)0.41 (0.8)3 (2.7)0.35 (4.8)5 (4.5)0.9
HBsAg (+)
(active infection)
1 (1.4)1 (1.3)0.93 (2.4)5 (4.5)0.44 (3.9)3 (2.7)0.6
Anti-HCV1 (1.4)2 (2.6)0.55 (4.0)4 (3.6)0.62 (1.9)4 (3.6)0.5
Anti-HEV5 (7.0)7 (9.1)0.37 (5.6)14 (12.5)0.0510 (9.6)15 (13.5)0.4
Anti-parvovirus B191 (1.4)3 (3.9)0.41 (0.8)10 (8.9)0.0035 (4.8)12 (10.8)0.08
  • *Anti-HBs=Hepatitis B surface antibody.

  • †Anti-HBc=Hepatitis B core antibody.

  • ‡HBsAg=Hepatitis B surface antigen.

  • HCV, hepatitis C virus; HEV, hepatitis E virus.