Utility of dipstick versus urine culture in diagnosis of urinary tract infection in children.
Journal Title: National Journal of Research in Community Medicine - Year 2016, Vol 0, Issue 0
Abstract
BACKGROUND: Urinary tract infection is the most common genitourinary infection in children. The gold standard method to diagnose a urinary tract infection is by urine culture. OBJECTIVE: To evaluate the accuracy of urine dipstick test (nitrite and leukocyte esterase) versus urine culture in diagnosing the urinary tract infection in children. STUDY DESIGN AND SETTINGS: Cross sectional descriptive study done at Meenakshi Medical College and Research Institute. MATERIALS AND METHODS : One hundred children with features of urinary tract infection in Meenakshi Medical College and Research Institute were studied from February 2015 to July 2016. Two urine sample was collected by clean catch method with four hours of incubation period. One sample was used for culture and with the other sample dipstick analysis was done and the results were compared. RESULTS: Sixteen percent of children had urine cultures with 105 colonies/ml or greater. Sensitivity, specificity, positive predictive value and negative predictive value for nitrite test were 10.2%, 100%, 100% and 85.08% respectively. Sensitivity, specificity, positive predictive value and negative predictive value for leukocyte esterase test were 61.22%, 98.8% , 90.91% and 92.88% respectively. CONCLUSION: The study has suggested that both dipstick urinalysis methods can be used for rapid diagnosis. Urine culture is an expensive test for routine use and should not be applied unless the result of the nitrite and leukocyte esterase was positive. Leukocyte esterase test is the most useful test than nitrite test for detecting significant bacteriuria.
Authors and Affiliations
Devaraja R. , Tamizharasu P. T.
Keywords
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