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  • Title: The value of positive nitrites in screening asymptomatic bacteriuria amongst Malaysian school children.
    Author: Zainal D, Baba A.
    Journal: Southeast Asian J Trop Med Public Health; 1996 Mar; 27(1):184-8. PubMed ID: 9031425.
    Abstract:
    It is important to diagnose and treat urinary tract infection in children before renal damage has taken place. Hence a new screening procedure will be of interest. This study was conducted to evaluate the efficacy of urinary nitrite in screening for asymptomatic bacteriuria among school children compared to a more traditional method. Of the 44,816 school children investigated 240 (0.54%) students were judged to have bacteriuria ie 82 (0.19%) in boys and 158 (0.35%) in girls. Escherichia coli was the commonest organism isolated (28.75%). Urine dipstick testing for nitrite was found to have a low sensitivity and positive predictive value. While urinalysis for pyuria was noted to have a sensitivity of 77.9%, a specificity of 95.8% and a negative predictive value of 99.9%.
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