Table 2.
Sensitivity and specificity of components of urinalysis, alone and in combination [4].
|
Test |
Sensitivity (Range),% | Specificity (Range),% |
|---|---|---|
| Leukocyte esterase test | 83 (67–94) | 78 (64–92) |
| Nitrite test | 53 (15–82) | 98 (90–100) |
| Leukocyte esterase or nitrite test positive | 93 (90–100) | 72 (58–91) |
| Microscopy, WBCs | 73 (32–100) | 81 (45–98) |
| Microscopy, bacteriuria | 81 (16–99) | 83 (11–100) |
| Leukocyte esterase test, nitrite test, or microscopy positive | 99.8 (99–100) | 70 (60–92) |
Table reproduced with permission from Pediatrics, volume 128, pages 595–610, copyright © 2011 by the American Academy of Pediatrics [4].