TABLE 1.

Number of clinically important isolates in 511 urine samples in study A

SpeciesNo. of isolatesNo. of clinically important isolates detected with:
DipStreak device with CHR mediumUS3 medium platesCLED medium
TotalPure≥105 CFU/ml<105 CFU/mlTotalPure≥105 CFU/ml<105 CFU/mlTotalPure≥105 CFU/ml<105 CFU/ml
Candida spp.101071001076410773
Citrobacter spp.9999099909990
Escherichia coli269268241257112692402492026724225215
Enterobacter spp.6646064606460
Enterococcus spp.959551932945175199551905
Klebsiella spp.53534253052425025342530
PMP groupa62624861162485936247611
Pseudomonas spp.30291623630172463016228
Serratia marcescens4434043404340
Staphylococcus aureus121291111299312984
Staphylococcus spp.12129120129111129102
Streptococcus agalactiae12121112012111021211120
Total574572450b55121572450c51260572450d53438
  • a PMP group, Proteus-Morganella-Providencia group.

  • b Two cultures yielded a double bacterial isolation on US3 and CLED media, but only one strain was identified on CHR medium.

  • c Two cultures yielded a double bacterial isolation on CHR and CLED media, but only one strain was identified on US3 medium.

  • d Two urine samples with a double bacterial isolation contained two E. coli variants, but only one strain was identified on CLED medium.