Which one of the following statements is false with regard to pyuria in children –

Pyuria is the presence of more than 5 WBCs / high power field, both for boys and girls.            —CPDT Pyuria suggests infection, but infection can, occur in the absence of pyuria.                               —Nelson Pyuria can present without UTI.                                                                                                              — Nelson So, Isolated pyuria is neither confirmatory nor diagnostic for UTI.