Table 1 Weighted VZV seroprevalence data tested by ELISA and stratified by varicella vaccination status in children 1–17 years of age, Germany (sera collected 2003–2006, n = 13,433)
Anti-VZV IgG antibodies tested by ELISA | Varicella vaccination status | Total | |||
|---|---|---|---|---|---|
No vaccination card available | Varicella vaccinated | Not varicella vaccinated | |||
Positive | number (n) | 811 | 124 | 10,156 | 11,091 |
weighted rate (%) | 87.7% | 48.9% | 80.3% | 80.3% | |
95% CI [%] | [84.8–90.1] | [40.2–57.8] | [79.3–81.3] | [79.4–81.2] | |
Negative | number (n) | 109 | 90 | 2023 | 2222 |
weighted rate (%) | 12.0% | 41.4% | 18.9% | 18.8% | |
95% CI [%] | [9.7–14.8] | [34.4–48.8] | [18.0–19.9] | [17.9–19.8] | |
Equivocal result | number (n) | 4 | 18 | 98 | 120 |
weighted rate (%) | 0.3% | 9.6% | 0.7% | 0.9% | |
95% CI [%] | [0.1–1.0] | [5.7–15.9] | [0.6–0.9] | [0.7–1.1] | |
Total | number (n) | 924 | 232 | 12,277 | 13,433 |
weighted rate (%) | 100.0% | 100.0% | 100.0% | 100.0% | |