Table 4.
Total and relative number of sera in each age and gender category.
| Age interval | Total number | IgG-positive | IgM-positive | ||
|---|---|---|---|---|---|
| Female | Male | Female | Male | ||
| 0 – 20 | 1,251 (8.3%)1 | 67 (0.4%) | 74 (0.5%) | 64 (0.4%) | 72 (0.5%) |
| 21 – 40 | 2,556 (17%) | 175 (1.2%) | 246 (1.6%) | 130 (0.9%) | 161 (1.1%) |
| 41 – 60 | 4,826 (32%) | 335 (2.2%) | 590 (3.9%) | 245 (1.6%) | 418 (2.8%) |
| 61 – 80 | 5,672 (38%) | 259 (1.7%) | 660 (4.4%) | 194 (1.3%) | 450 (3.0%) |
| 81 – 100 | 680 (18%) | 18 (0.1%) | 40 (0.3%) | 6 (0.04%) | 15 (0.1%) |
| Total | 14,985 (1122) | 854 (583) | 1610 | 639 (463) | 1116 |
1Percentage of total number of samples.
2Number of samples missing age information.
3Number of samples missing the gender information.