TABLE 2:

Cut-off points for reactivity equivalents of samples (Wynwood and others 2015)

	MAT Titre	MIA IgG and IgM MFI
Non-reactive	<1:50	<1200
Equivocal	1:50–1:200	1201–3999
Reactive low	1:400–1:1600	4000–9999
Reactive high	1:3200+	10000+

MAT, microscopic agglutination test; MIA, microsphere immunoassay