TABLE 1.

Results of PCR by highest dilution positive for 60 urine samples tested (University of Minnesota PCR)

Positive endpointNo. of samplesaNo. of samples with partial inhibitionb
1:1,000136
1:10074
1:1062
1:120
  • a Thirty-two of the sixty samples tested were negative.

  • b None of the 12 samples with partial inhibition was negative.