TABLE 3.

Genetic differentiation among isolates collections

Comparison and isolate collections	Genetic differentiation, FSTa
	abcZ	adk	aroE	fumC	gdh	pdhC	pgm
Among countries, disease isolates	0.111	0.198	0.077	0.177	0.145	0.085	0.157
Among countries, carrier isolates	0.024	0.042	0.071	0.027	0.043	0.041	0.022
Between disease and carriage isolates, Czech Republic	0.077	0.150	0.077	0.214	0.074	0.170	0.217
Between disease and carriage isolates, Greece	0.017b	0.030c	0.045	0.050	0.077	0.053	0.034d
Between disease and carriage isolates, Norway	0.049	0.057	0.036e	0.054	0.082	0.050	0.055

^aResults are significant (P < 0.0005) unless otherwise stated.

^bSignificant (P = 0.0391).

^cSignificant (P = 0.0029).

^dSignificant (P = 0.0078).

^eSignificant (P = 0.0020).