Research Article

Emergence of Highly Multidrug-Resistant Bacteria Isolated from Patients with Infections Admitted to Public Hospitals in Southwest Iran

Table 7

Multidrug resistance patterns of Gram-negative bacteria isolated from patients with infections.

MicroorganismNumber of antibioticsAntibiotic resistant isolates
No (%)
Multidrug resistance patterns

Escherichia coli (No = 659)645 (6.8)SXT, TE, IMP, GM, CHL, COL
535 (5.3)SXT, CRO, CIP, GM, AMK
458 (8.8)SXT, TE, CIP, GM
436 (5.5)SXT, TE, CHL, CIP
362 (9.4)SXT, TE, CHL
366 (10)SXT, TE, IMP
354 (8.2)SXT, CRO, CIP

Klebsiella spp. (No = 248)53 (1.2)SXT. TE, CIP, GM, COL
447 (18.9)CRO, CIP, GM, AMK
333 (13.3)SXT, TE, IMP
336 (14.5)SXT, TE, CHL
326 (10.5)SXT, CRO, CIP

Enterobacter spp. (No = 62)44 (6.4)CRO, CIP, GM, AMK
36 (9.7)SXT, TE, CRO
37 (11.3)SXT, TE, IMP
36 (9.7)SXT, TE, CHL

P. aeruginosa (No = 142)414 (9.9)IMP, CIP, GM, AMK

Acinetobacter spp. (No = 185)7129 (69.7)SXT, TE, IMP, CRO, CIP, GM, AMK
66 (3.2)SXT, TE, IMP, CIP, GM, AMK
531 (16.7)SXT, IMP, CIP, GM, AMK
46 (3.2)IMP, CIP, GM, AMK
42 (1.1)SXT, IMP, GM, AMK
41 (0.5)SXT, CIP, GM, AMK
42 (1.1)SXT, IMP, CIP, AMK
38 (4.3)SXT, IMP, CIP

Proteus spp. (No = 63)35 (7.9)SXT, CHL, CIP

SXT: Co-Trimoxazole, TE: Tetracycline, IMP: Imipenem, GM: Gentamicin, CHL: Chloramphenicol, COL: Colistin, CRO: Ceftriaxone, CIP: Ciprofloxacin, and AMK: Amikacin.