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