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Background. Urinary tract infections (UTis) represent 10-20% of all community-acquired infections. Escherichia coli remains the most commonly isolated microorganism. Because of the dominance of these bacteria, routine laboratory tests are not recommended in making the first UTi diagnosis. However, careful monitoring of all etiological agents of uncomplicated UTis should be an important strategy for empirical therapy. Objectives. a determination of the incidence of UTi bacterial etiological agents in outpatients. Material and methods. The results of urine cultures were analyzed. The samples were obtained in the period from 01.2011 to 03.2013 from outpatients of all age groups. Results. The rods of Escherichia coli were the most frequently identified microorganisms responsible for uncomplicated UTis. They were isolated from 52% of infected patients. every fourth case of UTi indicated the participation of Enterococcus spp. and Streptococcus agalactiae. The next 21% of infections were caused by gram-negative bacteria other than E. coli. The role of coagulase-negative staphylococci was insignificant and equaled less than 2%. Conclusions. despite the dominant role of E. coli in urinary tract infections, there has been a decrease in the frequency of its isolation. However, the natural resistance of Enterococcus spp. to antibiotics increases the number of urinary tract infections caused by these bacteria. Streptococcus agalactiae is a UTi cause with similar frequency in women of reproductive age and postmenopausal women. Monitoring of the incidence of uncomplicated infections facilitates empirical treatment and prevents UTi recurrence. Key words: Streptococcus agalactiae, Enterococcus spp., uncomplicated urinary tract infection. Material and methodsThe urine culture results were analyzed in dysuric outpatients with symptoms of varying severity over 26 months (from 01.2011 to 03.2013). The most common UTi symptoms reported by patients were: urinary frequency, pain during urination, abdominal pain, pain in the lower abdomen and/or lumbar region, changed color and/or odor of urine. less frequently patients reported fever, weakness and decreased appetite. all subjects provided urine for culture to the specialist Microbiological laboratory of the Medical University Foundation microFaM in wroclaw. The tests were performed by a quantitative method (calibrated loops) on columbia agar medium with 5% sheep blood, Macconkey agar and sabouraud agar (Becton dickinson). The identification of pathogens was performed in an automatic BBl crystal system (Becton dickinson) based on the biochemical activity of microorganisms in accordance with the recommendations of the national consultant for clinical Microbi-

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