Table 5.

Correlation analysis between antimicrobial resistance genes and drug resistance of Escherichia coli isolates from aquaculture farms in Zhanjiang, China.

Category	Test of antimicrobial resistance genes		Test of drug resistance		Correlation rate, %
	Genes	Negative (N)/positive (P)	Number of detections	Sensitive strain
β-lactams	blaTEM	P	50	0	55.56
		N	40	0
	blaCIT	P	61	0	67.78
		N	29	0
Amide alcohols	floR	P	70	4	85.56
		N	9	7
	OptrA	P	62	9	71.11
		N	17	2
	cmlA	P	51	4	64.44
		N	28	7
Aminoglycosides	aac(3)- II	P	7	3	81.11
		N	14	66
Sulfonamides	Sul2	P	56	3	70.00
		N	24	7
Macrolides	ereA	P	0	1	84.44
		N	13	76
	ermB	P	3	14	73.33
		N	10	63
Quinolones	oqxB	P	3	5	85.56
		N	8	74
	qnrA	P	1	5	83.33
		N	10	74
Colistin	mcr1	P	3	38	56.67
		N	1	48
	mcr2	P	0	0	95.56
		N	4	86

Only the data with a correlation rate of >50% are presented.