Table 6.
Posterior median and 95% posterior credible intervals (PCI) of the sensitivity (Se) and specificity (Sp) of the HI test, assuming different performance by species (HIchicken and HIturkey) and source of infection (HInatural and HIexperimental)
Test evaluated | Null hypothesis (H0) | POPR* | ||||
---|---|---|---|---|---|---|
Species | HIchicken | HIturkey | ||||
Se | 98·9 | [96·1; 100] | 98·1 | [92·6; 99·9] | Se HIchicken < Se HIturkey | 0·3539 |
Sp | 99·5 | [98·1; 100] | 99·1 | [96·0; 100] | Sp HIchicken < Sp HIturkey | 0·3597 |
Source of infection | HInatural | HIexperimental | ||||
Se | 99·3 | [97·0; 100] | 91·1 | [85·1; 98·9] | Se HInatural < Se HIexperimental | 0·0222 |
Sp | 99·6 | [98·5; 100] | 81·2 | [59·5; 98·6] | Sp HInatural < Sp HIexperimental | 0·0002 |
*POPR, Bayesian posterior probability.