Table 4 Intraclass Correlation Coefficients (ICCs) for single and aggregate measures of cortisol and cortisone.

From: Study of temporal variability of salivary cortisol and cortisone by LC-MS/MS using a new atmospheric pressure ionization source

 

Time of measurement after awakening

AUCg

AUCi

0 min

15 min

30 min

Cortisol

Interindividual variance

0.51

0.68

2.59

3.05

3.38

Residual variance

2.87

3.34

4.41

8.97

8.38

ICC (%)

14.99

16.96

36.98

25.37

28.75

Cortisone

Interindividual variance

4.06

4.77

8.19

18.74

6.76

Residual variance

9.51

12.41

14.63

34.02

28.76

ICC (%)

29.93

27.78

35.89

35.52

19.04