Accuracy of Widely Available Bedside Tests for UTI in a Hypothetical Cohort of 1000 Children Tested for UTI
| . | Sensitivity, % . | Specificity, % . | No. Unnecessary Antibiotic Prescriptionsa . | No. With Delayed or Missed Diagnosisa . |
|---|---|---|---|---|
| Leukocyte esterase | 79 | 87 | 120 | 16 |
| Nitrite | 49 | 98 | 18 | 38 |
| Leukocyte esterase or nitrite | 88 | 79 | 194 | 9 |
| . | Sensitivity, % . | Specificity, % . | No. Unnecessary Antibiotic Prescriptionsa . | No. With Delayed or Missed Diagnosisa . |
|---|---|---|---|---|
| Leukocyte esterase | 79 | 87 | 120 | 16 |
| Nitrite | 49 | 98 | 18 | 38 |
| Leukocyte esterase or nitrite | 88 | 79 | 194 | 9 |
Assuming a prevalence of 7.5% (ie, 75 with UTI and 925 with no UTI).2,45