Table 3.

Frequencies of reported antibody concentrations at three levels of variability (CV) for laboratories submitting multiple antibody concentrations

%CV% of values for the following laboratory (na = 432):
135679Total (n = 2,592)
≤3097977886899390
≤3598988989929794
≤4099999493949896
  • a n, number of specimens assayed from each laboratory.