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Abstract
number of bacteria in voided urine. The threshold traditionally used for defining significant beet trio is Os colony-forming units (CPU) of bacteria/ml of voided urine..
Pyuria is defined by the presence of more than 5 white blood cells/11PF in 10m1 fresh centrifuged urinary sediment or more than 10 white blood cells/alms, in the uncentrifuged sample, it suggest infection, but Infection can occur in absence of pyuria.. Conversely, pyuria can be present without trTls as In febrile illness, acute post streptococcal glomerulonephritis, renal stones, urinary instnimentation and dehydration..
Anatomically UTIs could be divided into upper and lower infections. upper UTIs includos pyelonephritis and pyelitis while lower Oils includes cystitis and urethritts...
Urinary tract infections are caused mainly by colonic bacteria. In females, 75-90% of all infections are caused by Escherichia coil, followed by klebsiella and proteus.° Some series report that in males older than I year of age, protocols as common as E. coli; others report a preponderance of gram positive organisms in ma... Staphylococcus saprophyticUs is a pathogen in both sexes...) Viral infection, particularly adenovfrus, may also occur, especially as a cause of cystitis.