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Table 1 Inter- and intra-assay coefficients of variation and detection limits for the six salivary steroids

From: Steroid concentrations in antepartum and postpartum saliva: normative values in women and correlations with serum

  Intra CV% Inter CV% Detection limit
Cortisol 3.5 5.1 0.08 nmol/L
Estriol 6.1 7.1 0.06 nmol/L
Estradiol 7.1 7.5 3.65 pmol/L
Progesterone 6.2 7.6 0.02 nmol/L
Testosterone 4.6 9.8 3.47 pmol/L
DHEA 5.6 8.2 0.02 nmol/L