| Negative | Positive | Total | Chi-square | P |
---|---|---|---|---|---|
Gender | Â | Â | Â | 2.151 | 0.142 |
 Male | 11 | 31 | 42 |  |  |
 Female | 26 | 39 | 65 |  |  |
Age group | Â | Â | Â | 0.333 | 0.954 |
 1- | 4 | 8 | 12 |  |  |
 21- | 6 | 12 | 18 |  |  |
 41- | 12 | 19 | 31 |  |  |
 61- | 15 | 31 | 46 |  |  |
Participant type | Â | Â | Â | 56.556 | 0 |
 Symptomatic | 2 | 57 | 59 |  |  |
 Asymptomatic | 35 | 13 | 48 |  |  |