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Materials and Methods: This cross-sectional study was performed in 2013, all patients with nosocomial infections were selected. After the separation, identification and confirmation of species, antibiotic resistance was evaluated according to CLSI guideline. The collected data were analyzed by SPSS version 18 and presented with descriptive statistics.

Results: One hundred and twenty-six patients with nosocomial infection were detected during the study, the most common isolated microorganism was Escherichia. coli (20.63%), followed by coagulase-negative Staphylococcus (13.50%), Candida (11.90%), coagulase-positive Staphylococcus (11.11%), Enterobacter (9.52%), Klebsiella (7.94%), Citrobacter (5.56%), Pseudomonas aeruginosa (4.76%), Acinetobacter (3.97%), Gram-positive Bacillus and Enterococcus (3.97%) and Gram-negative Coco bacilli (3.17%). Organisms isolated from samples showed variety …