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Measures of agreement between the AGID test and the bELISA for the overall population of birds evaluated and for different subpopulations of infected birds
| Bird population | No. of birds | % Agreement | Kappa (95% CI) |
|---|---|---|---|
| Infected and uninfected | 281 | 86.5 | 0.73 (0.62-0.85) |
| Infected (either pathotype) | 178 | 78.7 | 0.45 (0.31-0.59) |
| HPAI virus infected only | 56 | 85.7 | 0.29 (0.11-0.48) |
| LPAI virus infected only | 122 | 75.4 | 0.45 (0.28-0.62) |
