Table IV.
Anti-TBEV IgG antibody prevalence blood donors indicating no vaccination against TBEV and no infection with or vaccination against other flaviviruses
| Blood donors | Blood donors indicating no vaccination | TBEV IgG ELISA positive | Prevalence | CI, lower limit | CI, upper limit | p |
|---|---|---|---|---|---|---|
| All | 6,223 | 347 | 5.6% | 4.8% | 6.4% | |
| Female | 2,437 | 89 | 3.7% | 2.6% | 4.9% | <0.0001 |
| Male | 3,786 | 258 | 6.8% | 5.7% | 8.1% | |
| Age <40 | 1,680 | 168 | 10.0% | 7.9% | 12.4% | <0.0001 |
| Age ≥40 to <55 | 2,441 | 97 | 4.0% | 2.9% | 5.3% | |
| Age ≥55 | 2,102 | 82 | 3.9% | 2.7% | 5.4% | |
| Endemic region | 1,782 | 127 | 7.0% | 5.4% | 9.2% | 0.0005 |
| Border region | 1,734 | 107 | 6.2% | 4.5% | 8.2% | |
| Non-endemic region | 2,707 | 113 | 4.2% | 3.1% | 5.5% |
p-values were calculated using Chi square test with Bonferroni correction.