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Volume 12, Number 2—February 2006

Research

Free-grazing Ducks and Highly Pathogenic Avian Influenza, Thailand

Marius Gilbert*Comments to Author , Prasit Chaitaweesub†, Tippawon Parakamawongsa†, Sith Premashthira†, Thanawat Tiensin†‡, Wantanee Kalpravidh§, Hans Wagner§, and Jan Slingenbergh§¶
Author affiliations: *Université Libre de Bruxelles, Brussels, Belgium; †Department of Livestock Development, Bangkok, Thailand; ‡Utrecht University, Utrecht, the Netherlands; §Food and Agriculture Organization, Bangkok, Thailand; ¶Food and Agriculture Organization, Rome, Italy

Main Article

Table 3

Results of autologistic regression models of H5N1 highly pathogenic avian influenza as a function of variables shown in Table 2

Model –2 log likelihood χ2 p value AUC*
All Thailand, all outbreaks 3,812.8 1,294.3 <0.001 0.854 ± 0.014
All Thailand, outbreaks in chickens 3,455.9 812.9 <0.001 0.828 ± 0.018
All Thailand, outbreaks in ducks 1,634.7 781.7 <0.001 0.894 ± 0.021
Suphanburi Province, all outbreaks 691.4 135.8 <0.001 0.783 ± 0.039
Suphanburi Province, outbreaks in chickens 374 63.05 <0.001 0.794 ± 0.061
Suphanburi Province, outbreaks in ducks 585.8 106.8 <0.001 0.767 ± 0.045

*Area under the curve of the receiver-operating characteristics plot.

Main Article

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