Table III.
Anti-TBEV IgG antibody prevalence in blood donors indicating vaccination against TBEV but no infection with or vaccination against other flaviviruses
| Blood donors | Blood donors indicating vaccination | TBEV IgG ELISA positive | Prevalence | CI, lower limit | CI, upper limit | p |
|---|---|---|---|---|---|---|
| All | 1,968 | 1,595 | 81.1% | 78.5% | 83.4% | |
| Female | 699 | 589 | 84.3% | 79.8% | 88.1% | 0.0659 |
| Male | 1,269 | 1,006 | 79.3% | 75.7% | 82.5% | |
| Age <40 | 682 | 582 | 85.3% | 80.8% | 89.2% | 0.0054 |
| Age ≥40 to <55 | 800 | 640 | 80.0% | 75.3% | 84.2% | |
| Age ≥55 | 486 | 373 | 76.7% | 70.4% | 82.4% | |
| Endemic region | 1,031 | 852 | 82.6% | 78.8% | 86.1% | 0.5599 |
| Border region | 473 | 383 | 81.0% | 74.9% | 86.2% | |
| Non-endemic region | 464 | 360 | 77.6% | 71.1% | 83.2% |
p-values were calculated using Chi square test with Bonferroni correction.