TABLE 4.

Model comparisons for Salmonella serovar virulence prediction

Model	t test	Wilcoxon test	R2	% agreement	Kappa coefficient	Mean rank difference	Area under the curve
In vivo infection
Spleen	1.3e−4	3.7e−4	0.45	0.82	0.63	2.18	0.87
Liver	9.6e−4	1.8e−3	0.34	0.76	0.51	2.85	0.82
Epithelial cell
Adhesion	0.37	0.6	0.03	0.55	0.09	8.55	0.44
Invasion	0.52	0.31	0.01	0.55	0.09	5.97	0.61
Survival	3.9e−3	2.6e−3	0.27	0.74	0.48	2.77	0.82