Table 2. Sensitivity, Specificity, PPV, NPV and kappa value for LPS based ICG-LFA.

Antigen (LPS)	Number of samples included	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	kappa value
Autumnalis	14	92.86	100	100	99.74	0.962
Australis	33	93.93	99.46	93.93	99.46	0.934
Ballum	31	93.55	99.19	90.63	99.46	0.914
Grippotyphosa	15	93.33	100	100	99.74	0.964
Pomona	12	100	99.48	85.71	100	0.921