TABLE 4.
Sample type | Sample identification by culture | No. of samples identified by real-time PCR to be: |
Total no. of samples | Observed agreement (%) | Kappa coefficient | |
---|---|---|---|---|---|---|
Positive | Negative | |||||
Eggshells | Positive | 8 | 1 | 9 | 99.14 | 0.94 |
Negative | 0 | 114 | 114 | |||
Total | 8 | 115 | 123 | |||
Feces | Positive | 10 | 18 | 28 | 87.14 | 0.47 |
Negative | 0 | 112 | 112 | |||
Total | 10 | 130 | 140 | |||
Egg belt | Positive | 37 | 3 | 40 | 95 | 0.87 |
Negative | 4 | 96 | 100 | |||
Total | 41 | 99 | 140 | |||
Dust | Positive | 25 | 16 | 41 | 80.61 | 0.58 |
Negative | 3 | 54 | 57 | |||
Total | 28 | 70 | 98 | |||
All types | Positive | 80 | 38 | 118 | 91.02 | 0.73 |
Negative | 7 | 376 | 383 | |||
Total | 87 | 414 | 501 |