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Urinary tract infection is a issue in all age groups, though its prevalence varies markedly. In infants up to the age of 6 months UTI includes a prevalence of about two circumstances per 1000, and is much more typical in boys than in girls. In pre-school youngsters UTI becomes additional common, plus the sex ratio reverses to ensure the prevalence of bacterium is 4.5% in girls and 0.5% in boys. Aetiology In acute uncomplicated UTI acquired from the community, Escherichia coli are by far the commonest causative bacterium, getting responsible for about 80% of infections. The remaining 20% are caused by other gram negative enteric bacteria including klebsiella and proteus species, and by gram good cocci, specially enterococci and staphylococcus.
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