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.
Presence of more than 5 WBC/hpf (high power field) for girls and more than 3 WBC/hpf for boys
Infection can occur without pyuria
Pyuria may be present without Urinary tract infection
Isolated pyuria is neither confirmatory nor diagnostic for Urinary tract infection