. Author manuscript; available in PMC: 2020 Nov 26.

Published in final edited form as: J Med Microbiol. 2019 Apr 17;68(5):711–719. doi: 10.1099/jmm.0.000973

Table 3. Proportion of Enterobacteriaceae resistant to individual antibiotics, with comparison to the likelihood of these isolates also being resistant to fosfomycin.

Enterobacteriaceae n=224	Number of resistant isolates as per disk diffusion testing³⁶	Expressed as a % of isolates	Number of isolates also resistant to fosfomycin (as per MIC)³⁶	% Resistant to both antibiotics	Difference in proportions (P-value)
Fosfomycin	22	9.8%	-	-	-
Gentamicin	92	41%	12	13%	28% (p<0.001)
Amikacin	1	0.4%	0	0%	0.4% (p>0.05)
Ampicillin	158	71%	18	11%	60% (p<0.001)
Ceftriaxone	93	42%	14	15%	27% (p<0.001)
Imipenem	1	0.4%	0	0%	0.4% (p>0.05)
Ampicillin/Gentamicin Combination	92	41%	12	13%	28% (p<0.001)