Table 3.

Multivariate analysis of urinary substances associated with complete inhibition of amplification by PCR, LCR, and TMA assays

AssayInhibitory substanceaORP value
TMAHemoglobin3.290.004
Nitrites3.570.025
Crystals3.180.005
PCRbeta-HCG3.430.038
Crystals3.590.025
LCRNitrites14.360.011
  • a Substances associated with inhibition were determined by logistic regression analysis.