| Microscopical examination | Molecular examination | Total | |
---|---|---|---|---|
 |  | Positive | Negative |  |
Sicily (E) | Positive | 6 | 9 | 15 |
 | Negative | 16 | 82 | 98 |
 | Total | 22 | 91 | 113 |
 | Microscopical examination | Molecular examination | Total | |
 |  | Positive | Negative |  |
Spain (F) | Positive | 2 | 1 | 3 |
 | Negative | 3 | 5 | 8 |
 | Total | 5 | 6 | 11 |