In Reply.—

We greatly appreciate Chevalier and Gauthier's interest in our article. They suggest that the use of sterile bags for urine collection biased our results. They base their comments largely on a technical report that support the American Academy of Pediatrics practice parameter on urinary tract infection (UTI). As stated in the discussion of our article, we agree that the use of sterile bags for urine collection is not as specific as suprapubic aspiration or transurethral catheterization.

However, data concerning the specificity of sterile bags in non–toilet-trained children older than 1 month is scarce. The only valid method for ascertaining the specificity of sterile bags requires comparing urine specimens collected by this technique and by suprapubic aspiration or transurethral catheterization within a very close time frame in patients suspected of having UTI. What constitutes a positive bacterial culture of urine collected by sterile bags...

You do not currently have access to this content.