Serology results stratified by age group
Age group | ≤5 years | 6–10 years | >10 years | |||||||
Transfusion recipients n=70, n (%) | Controls n=77 n (%) | P value | Transfusion recipients n=125, n (%) | Controls n=112 n (%) | P value | Transfusion recipients n=104, n (%) | Controls n=111, n (%) | P value | ||
Anti-HBs* (+)/Anti-HBc† (-) (vaccination profile) | 32 (45.5) | 26 (33.7) | 0.1 | 57 (45.6) | 26 (23.2) | <0.001 | 51 (49.0) | 25 (22.5) | <0.001 | |
Anti-HBs (+)/Anti-HBc (+) (past infection profile) | 8 (11.4) | 5 (6.5) | 0.2 | 13 (10.4) | 11 (9.8) | 0.9 | 19 (18.3) | 22 (19.8) | 0.8 | |
Anti-HBs (-)/Anti-HBc (-) (no infection/vaccination) | 32 (45.7) | 42 (54.6) | 0.3 | 52 (41.6) | 67 (59.8) | 0.005 | 27 (26.0) | 56 (50.5) | <0.001 | |
Anti-HBs (-) Anti-HBc (+) | HBsAg‡ (-) (resolved infection) | 1 (1.4) | 3 (3.9) | 0.4 | 1 (0.8) | 3 (2.7) | 0.3 | 5 (4.8) | 5 (4.5) | 0.9 |
HBsAg (+) (active infection) | 1 (1.4) | 1 (1.3) | 0.9 | 3 (2.4) | 5 (4.5) | 0.4 | 4 (3.9) | 3 (2.7) | 0.6 | |
Anti-HCV | 1 (1.4) | 2 (2.6) | 0.5 | 5 (4.0) | 4 (3.6) | 0.6 | 2 (1.9) | 4 (3.6) | 0.5 | |
Anti-HEV | 5 (7.0) | 7 (9.1) | 0.3 | 7 (5.6) | 14 (12.5) | 0.05 | 10 (9.6) | 15 (13.5) | 0.4 | |
Anti-parvovirus B19 | 1 (1.4) | 3 (3.9) | 0.4 | 1 (0.8) | 10 (8.9) | 0.003 | 5 (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.