TABLE 2

Presence of Pyuria or LE in Urine Samples of 1181 Children With UTI According to Uropathogen

PathogenDiagnostic Test
Pyuriaa, % (No.)LE ≥1, % (No.)
E. coli89.3 (892/999)91.1 (908/997)
P. aeruginosa61.5b (8/13)61.5b (8/13)
S. saprophiticus100 (27/27)96.3 (26/27)
Enterococcus species54.3b (19/35)48.6b (17/35)
Klebsiella species73.9b (34/46)71.7b (33/46)
Proteus species80.6 (25/31)83.9 (26/31)
Enterobacter species86.7 (13/15)80.0 (12/15)
Other86.7 (13/15)80.0 (12/15)
  • a Pyuria = ≥5 WBC/hpf or ≥10 WBC/mL3.

  • b Significantly different from E. coli at α = 0.01.