The objective of this study is to evaluate the correlations between the signals and or symptoms of Urinay infection medical suspect and the results of leucocytes,bacterioscopy and urine culture. Ninety eight samples of urine from seventy eigth children with suspect of urinary infection from primary care center, were analysed. The obtenction of the samples was standardized foo plastic bag or
... [Show full abstract] midstream, as it is used in primary care centers. The main cause of urine culture solicitations was the failure to thrive (31/98).fevre (29/98) and 22 cases of urinary symptoms.Only 10 of the 98 samples had a positive culture (10,2%).The results of the bacterioscopy showed that there was no negative false and the sensibility was 84,1% and the specificity 100%. It can be concluded that the clinical diagnosis of urinary infection is very imprecise, and considering that 59 samples (63%) had negative bacterioscopy, this analysis should be used as a screening for urine culture solicitations.