TABLE 1.

Sensitivity and specificity of components of urinalysis, alone and in combination

Test	Sensitivity	Specificity
LE	83 (67–94)	78 (64–92)
NT	53 (15–82)	98 (90–100)
Either LE or NT positive	93 (90–100)	72 (58–91)
Microscopy, WBCs	73 (32–100)	81 (45–98)
Microscopy, bacteria	81 (16–99)	83 (11–100)
LE, NT or microscopy positive	99.8 (99–100)	70 (60–92)

Data presented as % (range). LE Leukocyte esterase; NT Nitrite; WBCs White blood cells. Reproduced with permission from Pediatrics, volume 128, pages 595–610, copyright 2011 by the American Academy of Pediatrics