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. 2022 Apr 21;12(2):290–302. doi: 10.5455/OVJ.2022.v12.i2.18

Table 5. The frequency of the phenotypic multidrug resistance and the antibiotic resistance genes among the retrieved strains of E. coli and S. aureus.

Type of bacteria No. of strains % Type of resistance Phenotypic multidrug resistance MAR Antimicrobial resistance genes
E. coli 12 50.0 MDR Penicillins: AMX, AMC, OXA
Cephalosporins: CTR, CAZ, FOX
Sulfonamides: SXT
0.29 blaTEM and blaCTX-M
6 25.0 MDR Penicillins: AMX
Cephalosporins: CTR, CAZ
Tetracycline: DOX
Aminoglycoside: CN
0.20 blaTEM blaCTX-M
and tetA
3 12.5 MDR Penicillins: AMC
Tetracycline: DOX
Fluroquinolones: NOR
Monobactam: ATM
0.16 tetA
2 8.3 MDR Penicillins: AMX
Cephalosporins: CTR
Fluoroquinolones: NOR
0.12 bla TEM
1 4.1 MDR Penicillins: OXA
Tetracycline: DOX
Monobactam: ATM
Aminoglycoside: CN
Nitrofuran
0.20 tetA
S. aureus 11 52.4 MDR Penicillins: AMX, AMC, OXA
Cephalosporins: CAZ, FOX
Sulfonamides: SXT
0.28 bla TEM
5 32.8 XDR Penicillins: OXA
Cephalosporins: CAZ, CTR, FOX
Aminoglycoside: CN
Tetracycline: DOX
Monobactam: ATM
Fluoroquinolones: NOR
0.38 tetA
2 9.6 MDR Penicillins: AMX, OXA
Cephalosporins: CTR, FOX
Tetracycline: DOX
Fluoroquinolones: NOR
0.28 tetA
2 9.6 MDR Penicillins: AMC, OXA
Cephalosporins: CRO, FOX
Tetracycline: DOX
0.23 tetA
1 4.7 MDR Penicillins: AMC, OXA
Cephalosporins: FOX
Aminoglycoside: AK
0.19

MDR: multidrug resistance; XDR: extensively drug-resistance; AMX: Amoxicillin; AMC: Amoxicillin and clavulanic acid; OXA: Oxacillin; CAZ: Ceftazidime; CTR: Ceftriaxone; FOX: Cefoxitin; NOR: Norfloxacin; ATM: Aztreonam; AK: Amikacin; GEN: Gentamicin; MEM: Meropenem; NIT: Nitrofurntin; DOX: Doxycycline; SXT: Trimethoprim-sulfamethoxazole.