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Table 2 Predictive value of (combinations of) Leukocyte Esterase Test and dipslide for significant bacteriuria

From: Home screening for bacteriuria in children with spina bifida and clean intermittent catheterization

Tests   Gold standard    
   Positive Negative Total PPV in % (95% CI) NPV in % (95% CI)
LET Positive 43 17 60 72 (50 – 83)  
Negative 2 50 52   96 (85 – 99)
Dipslide Positive 29 11 40 73 (56 – 85)  
Negative 16 56 72   78 (66 – 87)
Combi Both positive 28 10 38 74 (57 – 87)  
Not both positive 17 57 74   77 (66 – 86)
Combi Not both negative 44 18 62 71 (58 – 82)  
Both negative 1 49 50   98 (89 – 99)