TABLE 2.

Frequency of resistance of common UTI drugs against different laboratory strains

Frequency of resistance	NTX		NFT		FOS		PIV		CIP		TMP
	4×	8×	4×	8×	4×	8×	4×	8×	4×	8×	4×	8×
E. coli ATCC25922	<1.0 × 10−10	<1.0 × 10−10	<8.1 × 10−10	<8.1 × 10−10	3.9 × 10−7	4.4 × 10−8	2.2 × 10−5	2.2 × 10−5	4.8 × 10−8	1.3 × 10−8	8.1 × 10−5	1.5 × 10−5
K. pneum. DSM681	<5.0 × 10−11	<5.0 × 10−11	1.2 × 10−9	6.1 × 10−10	3.5 × 10−6	1.3 × 10−6	nd a		3.1 x-10−9	2.3 × 10−9	>6.2 × 10−5	>6.2 × 10−5
E. faecalis ATCC29212	<8.6 × 10−11	<8.6 × 10−11	<8.6 × 10−11	<8.6 × 10−11	nd a		nd a		3.8 × 10−7	2.5 × 10−7	4.5 × 10−6	2.0 × 10−6
S. aureus ATCC29213	<3.1 × 10−10	<3.1 × 10−10	<3.1 × 10−10	3.9 × 10−10	<2.8×10−10	<2.8×10−10	nd a		7.7 × 10−8	<1.7 × 10−9	4.7 × 10−6	2.4 × 10−6

^a nd: not determined.