Table 5

Modified clinical score based on cloudy/burning any degree/night frequency any degree.a

Cut-off point on dipstick score (% at or above cut-off point)Sensitivity, %Specificity, %PPV, %NPV, %% correctly classifiedLR +ve testLR –ve test
≥0 (100)1000661
≥1 (96)9886867681.10.3
≥2 (71)80467454691.50.4
≥3 (29)36848240522.30.8
>3 (0)0100341
  • a Score weighted according to the rounded logistic coefficients based on the sum of: urine cloudiness = 1, burning dysuria any degree = 1, nocturia any degree = 1. LR = likelihood ratio. NPV = negative predictive value. PPV = positive predictive value.