Table 4.

ICCs and 95% confidence intervals among all women across three blood collections

Endogenous factorICCs (95% confidence intervals)
Follicular samplesLuteal SamplesCycle Average
Estradiol0.38 (0.26-0.51)0.45 (0.34-0.57)0.45 (0.34-0.56)
Free estradiol0.22 (0.08-0.49)0.43 (0.31-0.55)0.38 (0.27-0.50)
Estrone0.42 (0.29-0.56)0.44 (0.33-0.56)0.33 (0.22-0.46)
Estrone sulfate0.60 (0.49-0.70)0.69 (0.60-0.77)0.57 (0.47-0.67)
Progesterone— (—)0.29 (0.18-0.42)— (—)
Testosterone0.68 (0.59-0.76)0.56 (0.46-0.66)0.73 (0.65-0.79)
Androstenedione0.58 (0.48-0.68)0.56 (0.46-0.66)0.66 (0.57-0.74)
DHEA0.73 (0.60-0.82)0.66 (0.56-0.74)0.69 (0.61-0.76)
DHEAS0.94 (0.90-0.96)0.81 (0.75-0.85)0.86 (0.81-0.89)
SHBG0.83 (0.78-0.87)0.83 (0.78-0.87)0.89 (0.85-0.92)
Prolactin0.55 (0.45-0.65)0.41 (0.30-0.53)0.64 (0.54-0.72)
IGF-I0.69 (0.56-0.79)0.83 (0.77-0.87)0.86 (0.82-0.90)
Free IGF-I0.47 (0.32-0.63)0.58 (0.48-0.67)0.59 (0.50-0.68)
IGFBP-30.69 (0.56-0.79)0.76 (0.70-0.82)0.82 (0.76-0.87)
  • NOTE: See Table 1 for abbreviations.