Serotypes and Antimicrobial Resistance of Human Nontyphoidal Isolates of Salmonella enterica from Crete, Greece

Table 3

Antibiotic resistance patterns of different S. enterica serotypes isolated from stools over a 2-year period.

Serotype	AMP	AMX/CLA	TIC	PIP	CTX	CRO	NAL	CIP	NFX	CMP	TET	TMP-SMX	NTR	Resistant to ≥4 abx*
S. Enteritidis	0^a	0	0	0	0	0	17.8	0	0	0	0	1.8	60.7	0
	0/56^b	0/56	0/56	0/56	0/56	0/56	10/56	0/56	0/56	0/56	0/56	1/56	34/56	0/56
S. Typhimurium	20.9	7	20.9	20.9	0	0	0	0	0	7	30.2	23.3	34.9	9.3
	9/43	3/43	9/43	9/43	0/43	0/43	0/43	0/43	0/43	3/43	13/43	10/43	15/43	4/43
S. Newport	0	0	0	0	0	0	7.7	0	0	0	7.7	0	92.3	0
	0/13	0/13	0/13	0/13	0/13	0/13	1/13	0/13	0/13	0/31	1/13	0/31	12/13	0/13
S. Hadar	60	40	60	60	0	0	80	0	0	0	60	0	20	60
	3/5	2/5	3/5	3/5	0/5	0/5	4/5	0/5	0/5	0/5	3/5	0/5	1/5	3/5
Others	6.1	3	9.1	9.1	0	0	15.1	6.1	6.1	0	18.2	6.1	30.3	0
	2/33	1/33	3/33	3/33	0/33	0/33	5/33	2/33	2/33	0/33	6/33	2/33	10/33	0/33
Total	9.3	4	10	10	0	0	13.3	1.3	1.3	2	15.3	8.7	48	4.7
	14/150	6/150	15/150	15/150	0/631	0/631	20/150	2/150	2/150	3/150	23/150	13/150	72/150	7/150

∗abx: antibiotics.
AMP: ampicillin; AMX/CLA: amoxicillin-clavulanic acid; TIC: ticarcillin; PIP: piperacillin; CTX: cefotaxime; CRO: ceftriaxone; NAL: nalidixic acid; CIP: ciprofloxacin; NFX: norfloxacin; CMP: chloramphenicol; TET: tetracycline; TMP-SMX: cotrimoxazole; NTR: nitrofurantoin.
a% (percentage of resistant isolates/serotype).
bNumber of resistant isolates/total number of isolates in serotype.