Table 1.

Discriminatory indices of genotyping methods for Mycobacterium avium

Methoda	Discriminatory index of method plus:
	Alone	hsp65	LSP	4-Locus MIRU	8-Locus MIRU	Rep-PCR
hsp65	0.58		0.91	0.89	0.91	0.98
LSP	0.87			0.95	0.95	0.97
4-Locus MIRU	0.84					0.98
8-Locus MIRU	0.87					0.98
Rep-PCR	0.97

^ahsp65, sequencing of a 1,059-bp portion of the 3′ end of the gene for heat shock protein 65; LSP, large-sequence polymorphism analysis; 4-locus MIRU, MIRU-VNTR analysis using loci X3, 25, 32 and 47; 8-locus MIRU, MIRU-VNTR analysis using loci 292, X3, 25, 47, 3, 7, 10, and 32; rep-PCR, repetitive-sequence-based PCR.