Age class | Sample units | Samples | |
Positives | Negatives | ||
<2 anos | 117 | 11 (PC = 9.40%)a | 106 |
2 - 5 | 299 | 144 (PC = 48.16%)b | 155 |
6 - 10 | 216 | 111 (PC = 51.39%)c | 105 |
11 - 15 | 89 | 42 (PC = 47.19%)b | 47 |
Total | 721 | 308 (PC = 42.72%) | 413 |