Multidrug-resistant Gram-negative bacterial infections and associated factors in a Kenyan intensive care unit: a cross-sectional study

Table 3 Antimicrobial susceptibility profiles of isolates

ABS class	ABS	P	E. coli [30] (%)	K. pneumoniae [28] (%)	P. aeruginosa [13] (%)	A. baumannii [5] (%)	P. mirabilis [4] (%)	E. cloacae [3] (%)
AMINO	AMK	R	13	54	31	80	0	0
	AMK	S	87	46	69	20	100	100
	GEN	R	23	68	69	100	50	0
	GEN	S	77	32	31	0	50	100
Penicillin	AMP	R	73	100	100	100	75	67
	AMP	S	27	0	0	0	25	33
	AMC	R	30	64	100	100	0	100
	AMC	S	70	36	0	0	100	0
	PIP	R	17	54	54	100	0	0
	PIP	S	83	46	46	0	100	100
1GC	CFZ	R	77	96	100	100	50	100
1GC	CFZ	S	23	4	0	0	50	0
2GC/BLI	C/T	R	57	75	54	100	50	100
2GC/BLI	C/T	S	43	25	0	0	50	0
3GC	CTX	R	73	93	100	100	50	100
	CTX	S	27	7	0	0	50	0
	CAZ	R	70	89	69	100	50	100
	CAZ	S	30	11	31	0	50	0
	CRO	R	73	89	85	100	50	100
	CRO	S	27	11	15	0	50	0
4GC	FEP	R	63	93	69	100	50	100
4GC	FEP	S	37	7	31	0	50	0
Sulfonamides	SXT	R	77	89	92	100	75	100
Sulfonamides	SXT	S	23	11	8	0	25	0
Nitrofurans	NIT	R	27	68	92	100	100	67
Nitrofurans	NIT	S	73	32	8	05	0	33
Quinolones	CIP	R	83	82	69	80	50	100
	CIP	S	17	18	31	20	50	0
	LVX	R	70	79	62	80	50	67
	LVX	S	30	21	38	20	50	33
Glycylcyclines	TGC	R	13	21	85	0	100	67
Glycylcyclines	TGC	S	87	79	15	100	0	33
Carbapenems	ETP	R	27	54	85	100	0	0
	ETP	S	73	46	15	0	100	100
	IMP	R	10	50	77	100	0	0
	IMP	S	90	50	23	0	100	100
	MEM	R	27	46	69	100	0	0
	MEM	S	73	54	31	0	100	100
Polymyxins	CST	R	17	46	92	60	100	0
Polymyxins	CST	S	83	54	8	40	0	100

AMP ampicillin, AMC amoxicillin-clavulanic acid, PIP piperacillin, AMK amikacin, GEN gentamicin, CFZ-cefazolin, C/T ceftolozane-tazobactam, CTX cefotaxime, CAZ ceftazidime, CRO ceftriaxone, FEP cefepime, SXT trimethoprime-sulfamethazole, NIT nitrofurantoin, CIP ciprofloxacin, LVX levofloxacin, TGC tigecycline, ETP ertapenem, IMP imipinem, MEM meropenem, CST colistin, S susceptible, R resistant, P phenotype, ABS antibiotics, AMINO aminoglycosides, 1GC first-generation cephalosporin, 2GC second-generation cephalosporin, 3GC third-generation cephalosporin, 4GC fourth-generation cephalosporin

ISSN: 1476-0711