. 2018 Nov 27;15(11):671–688. doi: 10.1089/fpd.2018.2501

Table 6.

Comparative Prevalence (%) of Antimicrobial-Resistant Escherichia coli in Meat and Vegetables (NonSelective Approach; Calculated from Percent Positive Samples and Percent Resistant Isolates)

Antibiotic	Retail chicken (n = 250)	Retail pork (n = 250)	Vegetables (farm+retail, n = 1001)
Amoxicillin–clavulanate	13.65^a	2.37^b	1.10^b
Ampicillin	34.58^a	5.90^b	1.70^c
Piperacillin	23.33^a	4.34^b	0.40^c
Cefaclor	9.30^a	2.76^b	1.90^b
Cefoxitin	2.40	0.78	1.30
Cefuroxime	1.95	0.39	0.80
Imipenem	1.65^a	0.00^b	0.00^b
Gentamicin	1.13^a	0.39^a,b	0.10^b
Streptomycin	23.63^a	7.12^b	0.30^c
Tobramycin	0.00	0.39	0.00
Chloramphenicol	3.60^a	1.17^a,b	0.50^b
Florfenicol	0.00	0.39	0.60
Ciprofloxacin	3.98^a	0.39^b	0.00^b
Enrofloxacin	4.50^a	0.39^b	0.00^b
Colistin	0.00	0.39	0.30
Doxycycline	30.53^a	9.46^b	0.50^c
Sulfamethoxazole—trimethoprim	31.35^a	5.51^b	0.20^c

Different superscripts in a row: values differ significantly in a chi-squared test (Fisher's exact test, if expected values are below 5 per cell).