Table 1.

Intra- and interassay precision of the Bio-PTH and Allegro I-PTH assays.

AssayIntraassay1 (n = 10)Interassay2 (n = 10)
Mean, ng/LSD, ng/LCV, %Mean, ng/LSD, ng/LCV, %
Bio-PTH200.341.6200.723.5
1492.871.91462.561.8
49313.42.749510.22.1
121222.51.9115925.22.2
Allegro I-PTH220.803.6220.783.5
1445.944.11434.813.4
46816.03.44754.931.0
103435.53.4102734.53.4
  • 1 Intraassay CV for Bio-PTH assay were determined by measuring 10 replicates of four serum samples with different serum PTH concentrations in the same assay.

  • 2 Interassay CV were determined by measuring the same samples daily over a 10-day period.