Table 2

Pearson’s coefficients of correlation and CIs between fT and fE2 measurements by dialysis plus the celite method and by theoretical calculations (by Eq. A )a

A. Total T (CI)
CeliteImmunotechDiaSorinDSLOrionBykbCis-Bio
Celite1.000.86 (0.74–0.92)0.76 (0.59–0.87)0.76 (0.58–0.87)0.79 (0.63–0.88)0.78 (0.62–0.88)0.70 (0.50–0.83)
B. fT calculated from total T obtained by
CeliteImmunotechDiaSorinDSLOrionBykCis-Bio
Dialysis + celite0.97 (0.92–0.99)0.89 (0.74–0.96)0.80 (0.54–0.92)0.76 (0.46–0.90)0.89 (0.73–0.96)0.75 (0.45–0.90)0.85 (0.65–0.94)
C. Total E2 (CI)
CeliteImmunotechDiaSorinDSL
Celite1.000.29 (−0.0.3–0.55)0.86 (0.75–0.93)0.84 (0.72–0.92)
D. fE2 calculated from total E2 obtained by
CeliteImmunotechDiaSorinDSL
Dialysis + celite0.996 (0.99–1.00)0.39 (−0.05–0.73)0.89 (0.73–0.96)0.80 (0.54–0.92)
  • a SHBG concentrations were measured by the Cis-Bio International assay.

  • b Byk, Byk-Sangtec Diagnostica; Cis-Bio, Cis-Bio International.