| Sedimentation | PCR | Floatation | |||||||
---|---|---|---|---|---|---|---|---|---|---|
 |  | + | – | ∑ | + | – | ∑ | + | – | ∑ |
Microscopy | + | 1 | 2 | 3 | 12 | 0 | 12 | 2 | 3 | 5 |
– | 9 | 80 | 89 | 33 | 57 | 90 | 5 | 83 | 88 | |
∑ | 10 | 82 | 92 | 45 | 57 | 102 | 7 | 86 | 93 | |
Floatation | + | 4 | 1 | 5 | 4 | 2 | 6 | Â | Â | Â |
– | 4 | 81 | 85 | 31 | 55 | 86 |  |  |  | |
∑ | 8 | 82 | 90 | 35 | 57 | 92 |  |  |  | |
PCR | + | 8 | 27 | 35 | Â | Â | Â | Â | Â | Â |
– | 2 | 55 | 57 |  |  |  |  |  |  | |
∑ | 10 | 82 | 92 |  |  |  |  |  |  |