Table 4.

Analysis of linkage disequilibrium in MLST data by START2 software

Group (n)	Ve	Vo	I S A	P
Total isolates (50)	0.7938	1.4506	0.1655	0.000*
Field isolates (42)	0.5449	1.0959	0.2022	0.000*
Total STs (9)	0.8418	0.7897	−0.0124	0.706
Total Field STs (5)	0.81	1.1667	0.0881	0.324

*Significant linkage disequilibrum.

Ve, Values for expected variance.

Vo, values for observed variance.

I^S _A, Standardized index association.

P, Values.