TABLE 1.
Comparison between serological results obtained by veterinary laboratories and PCR results for the detection of CS31A, F17, F5, and F41 adhesins
| PCR results | Serological results (veterinary laboratories)a |
|||||
|---|---|---|---|---|---|---|
| CS31A | F17 | F5 + F41 | F5 | None | Total | |
| CS31A | 111 | 1 | 0 | 0 | 1 | 113 |
| F17 | 0 | 74 | 0 | 0 | 1 | 75 |
| F5 + F41 | 0 | 0 | 2 | 24 | 0 | 26 |
| F5 | 0 | 0 | 0 | 4 | 0 | 4 |
| None | 55 | 12 | 1 | 7 | 56 | 131 |
| Total | 166 | 87 | 3 | 35 | 58 | 349 |
a
Number of isolates. The Cohen kappa coefficient calculated with a 95% confidence interval was 0.599; proportion of observed agreement, 70.8%; proportion of expected agreement, 27.2%; proportion of expected agreement minus hazard, 43.6%; maximum agreement not due to hazard, 72.8%.