TABLE 1.

Results of real-time PCR versus those of culture

Sample no.CtaPCR resultbCulture resultc% Cultivatable
125.15.5 × 1074.5 × 1068.2
231.76.5 × 1051.9 × 1042.9
332.24.8 × 1051.0 × 1030.2
434.41.1 × 1052.0 × 1031.8
523.21.9 × 1085.4 × 1050.3
630.51.5 × 1069.0 × 1030.6
728.65.3 × 1062.8 × 1040.5
835.55.3 × 10400
931.47.8 × 1053.1 × 10540
1035.07.5 × 10400
1126.12.8 × 1073.6 × 1051.3
1222.72.8 × 1086.8 × 1062.4
  • a Ct values were used for calculation of CFU equivalent.

  • b CFU equivalent based on real-time PCR.

  • c CFU of E. coli.