Table 1.

Sensitivity and Specificity of Urine-Based ELISA Compared With Serum ELISA Methods*

Age (Years)Number of PatientsSensitivitySpecificityAccuracyPPVNPV
<16050.093.191.720.098.2
1–313410094.794.822.2100
4–615110099.399.375.0100
7–913381.895.994.764.391.7
10–1211772.793.491.547.197.1
13–1511210094.094.666.7100
Total70785.4 (83–88)95.5 (94–97)94.9 (93–96)53.8 (50–58)99.1 (98–100)
  • PPV indicates positive predictive value; NPV, negative predictive value. Ninety-five percent confidence intervals are in parentheses.

  • * Based on a combination of 2 ELISA methods.