Drug resistance and influencing factors of biofilm bacteria in upper urinary calculi patients with double J stent indwelling

Table 4 Drug Resistance in Gram-Negative Bacteria

Antibacterial Drugs	Double J-Stent Biofilm Bacteria		Urine Pathogenic Bacteria		Double J-Stent Pathogenic Bacteria		Pa	P_b
Antibacterial Drugs	Strain(106)	Ratio(%)	Strain(58)	ratio(%)	Strain(71)	ratio(%)	Pa	P_b
Cefoperazone/sulbactam	7	6.6	2	3.4	4	5.6	0.396	0.792
Meropenem	17	16.0	2	3.4	3	4.2	0.016	0.014
Tigecycline	10	9.4	3	5.2	4	5.6	0.334	0.358
Ertapenem	20	18.8	4	6.8	4	5.6	0.038	0.011
Fosfomycin tromethamine	17	16.0	7	12.6	8	11.2	0.491	0.371
Imipenem	22	20.7	6	10.3	7	9.8	0.090	0.054
Amikacin	27	25.5	9	15.5	12	16.9	0.140	0.177
Ticacillin - clavulanic acid	25	24.5	10	17.2	13	18.3	0.343	0.402
Piperacillin tazobactam	30	28.3	9	15.5	11	15.4	0.065	0.047
Tobramycin	38	35.8	12	20.7	14	19.7	0.004	0.001
Gentamicin	33	31.1	14	24.1	18	25.3	0.343	0.405
Levofloxacin	56	52.8	17	29.3	20	28.1	0.003	0.001
Ciprofloxacin	66	62.2	21	36.2	26	36.6	0.001	<0.001
Cefepime	33	31.1	16	27.5	19	26.7	0.635	0.531
Ceftazidime	62	58.5	19	32.7	22	30.9	0.001	<0.001
Amoxicillin/clavulanic acid	45	42.4	21	36.2	25	35.2	0.435	0.334
Cefufoxin	68	64.1	23	39.6	28	39.4	0.002	0.001
Cefoxitin	48	45.2	20	34.5	29	40.8	0.179	0.559
Aztreonam	52	49.0	25	43.1	31	43.6	0.465	0.480
Ceftriaxone	72	67.9	26	44.8	30	42.2	0.003	<0.001
Cefotaxime	57	53.7	21	36.2	24	33.8	0.031	0.010
Tetracycline	60	56.6	28	48.2	35	49.2	0.306	0.339
Cotrimoxazole	62	58.5	27	46.5	34	47.8	0.142	0.165
Nitrofurantoin	45	42.4	13	22.4	18	25.3	0.010	0.019
Cefazolin	88	83.0	23	55.2	45	63.3	<0.001	0.003
Piperacillin	90	84.9	45	77.6	56	78.8	0.240	0.300
Ampicillin	99	93.3	52	89.6	60	84.5	0.396	0.055

P_a: Comparison of drug resistance of double J-stent biofilm bacteria and urine pathogenic bacteria; P_b: Comparison of drug resistance of double J-stent biofilm bacteria and double J-stent pathogenic bacteria

ISSN: 1471-2490