TABLE 2.

Cutoff values for bacterial placental load associated with the highest probability of fetal infection

Bacterial strainNo. of fetoplacental units analyzedCutoff value (103 CFU)aSensitivity (%)Specificity (%)PPV (%)bNPV (%)c
EGDwt1851.791999991
ΔInlAB481.060928573
ΔActA72120.093828293
ΔActA+ actA362.08910010087
  • a Cutoff values correspond to level of bacterial load of the placenta giving the highest probability of fetal infection.

  • b PPV, positive predictive value.

  • c NPV, negative predictive value.