Table 1. Predominant PCR/ESI-MS sequence types and rep-PCR types analyzed by Kullback-Leibler (KL) and Pearson correlation (PC) methods.

PCR/ESI-MS sequence type (ST)	No.	rep-PCR Kullback-Leibler (KL) type	No.	rep-PCR Pearson correlation (PC) type	No.
ST 10*	47	KL 1	16	PC 1	10
ST 12*	14	KL 2	23	PC 2	20
ST 1*	3	KL 3	10	PC 3	5
ST 86*	1	KL 4	7	PC 4	21
		KL 5	5	PC 5	5
		Unique	4	PC 6	2
				Unique	2
ST 14	38	KL 5	28	PC 7	28
		KL 6	7	PC 8	7
		Unique	3	Unique	3
ST 54	4	KL 7	2	PC 9	3
		Unique	2	Unique	1

^*rep-PCR did not differentiate among ST 10, ST 12, ST 1 and ST 86.