Table 3.

Concordance between screening and clinical ERIC-PCR strains

	Patient number	Screening culture strain	Site of screening	Clinical culture strain	Clinical culture site	Timing between screen and clinical culture
Correlated cases	1	B1	EA, P	B1	Wound	Same week
	2	A	Rc	A	EA	Same week
			Rc		Urine	1 week
			EA, P, Rc		Urine	Same week
	4	D2	Rc	D1	Abdomen	Same week
		K1	Rc	K2	EA	2 weeks
		B2	Rc	B2	Urine	Same week
	6	E2	EA, P	E1	EA	Same week
	7	I1, I2	EA, P	I1	EA	Same week
	8	G	Rc	G	Blood	3 weeks
			EA, P, Rc			2 weeks
			EA, P, Rc			1 week
			EA, P, Rc			Same week
	12	O	Rc	O	Wound	4 weeks
	12	O	Rc	O	Wound	2 weeks
	13	P	EA, P, Rc, U	P	Wound	Same week
	13	P	EA, P, Rc, U	P	Urine	Same week
	15	R	EA	R	EA	Same week
	16	S1	EA, P	S1	EA	2 weeks
			P			1 week
			EA, P			Same week
	17	S2	P	S2	EA	1 week
	17	S2	EA, P	S2	EA	Same week
	18	U	EA	U	EA	Same week
Uncorrelated cases	2	Sg	P	A	EA	Same week
	2	Sg	P	A	Urine	1 week
	4	D2	Rc	C2	Wound	1 week and same week
	4	B2	Rc	K2	EA	Same week
	7	Sg	Rc	I1	EA	Same week
	12	Sg	Rc	O	Wound	Same week
	16	T	Rc	S1	EA	Same week
	17	W	Rc	S2	EA	Same week

A-W – ERIC-PCR strain (a number denotes a clone subtype), Sg unique strain, EA endotracheal aspirate, P pharynx, Rc – rectum, U urine