Table 1.

Information for regions of S. aureus

Region	Size (kb)a	SNPsb	Genesc	Compatd	E C global e	E C local f	Ratiog
37th	228.41	5526	USA300_1420-1668	94.59%	1993	1808	9.28%
38th	97.74	4777	USA300_1669-1747	93.63%	1512	1400	7.41%
39th	36.17	1745	USA300_1747-1778	89.93%	914	577	36.87%

^aregion size

^bnumber of informative sites

^cgenes in the region

^dregional compatibility ratio

^ethe excess changes based on the global tree

^fthe excess changes based on the local tree

^gthe reduction ratio of excess changes, 1-$\frac{{\mathit{\text{EC}}}_{\mathit{\text{local}}}}{{\mathit{\text{EC}}}_{\mathit{\text{global}}}}$